Merge branch 'staging/for_v3.7' into v4l_for_linus

* staging/for_v3.7: (2891 commits)
  em28xx: regression fix: use DRX-K sync firmware requests on em28xx
  drxk: allow loading firmware synchrousnously
  em28xx: Make all em28xx extensions to be initialized asynchronously
  [media] tda18271: properly report read errors in tda18271_get_id
  [media] tda18271: delay IR & RF calibration until init() if delay_cal is set
  [media] MAINTAINERS: add Michael Krufky as tda827x maintainer
  [media] MAINTAINERS: add Michael Krufky as tda8290 maintainer
  [media] MAINTAINERS: add Michael Krufky as cxusb maintainer
  [media] MAINTAINERS: add Michael Krufky as lg2160 maintainer
  [media] MAINTAINERS: add Michael Krufky as lgdt3305 maintainer
  [media] MAINTAINERS: add Michael Krufky as mxl111sf maintainer
  [media] MAINTAINERS: add Michael Krufky as mxl5007t maintainer
  [media] MAINTAINERS: add Michael Krufky as tda18271 maintainer
  [media] s5p-tv: Report only multi-plane capabilities in vidioc_querycap
  [media] s5p-mfc: Fix misplaced return statement in s5p_mfc_suspend()
  [media] exynos-gsc: Add missing static storage class specifiers
  [media] exynos-gsc: Remove <linux/version.h> header file inclusion
  [media] s5p-fimc: Fix incorrect condition in fimc_lite_reqbufs()
  [media] s5p-tv: Fix potential NULL pointer dereference error
  [media] s5k6aa: Fix possible NULL pointer dereference
  ...

Conflicts:
	drivers/media/platform/s5p-fimc/fimc-capture.c
	drivers/media/platform/s5p-fimc/fimc-lite.c

141 files changed, 1540 insertions, 783 deletions

diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 73a2a83ee2d..402442402af 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -137,9 +137,21 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
 	return rc;
 }
 
+static inline netdev_tx_t vlan_netpoll_send_skb(struct vlan_dev_priv *vlan, struct sk_buff *skb)
+{
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	if (vlan->netpoll)
+		netpoll_send_skb(vlan->netpoll, skb);
+#else
+	BUG();
+#endif
+	return NETDEV_TX_OK;
+}
+
 static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
 					    struct net_device *dev)
 {
+	struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
 	struct vlan_ethhdr *veth = (struct vlan_ethhdr *)(skb->data);
 	unsigned int len;
 	int ret;
@@ -150,29 +162,30 @@ static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
 	 * OTHER THINGS LIKE FDDI/TokenRing/802.3 SNAPs...
 	 */
 	if (veth->h_vlan_proto != htons(ETH_P_8021Q) ||
-	    vlan_dev_priv(dev)->flags & VLAN_FLAG_REORDER_HDR) {
+	    vlan->flags & VLAN_FLAG_REORDER_HDR) {
 		u16 vlan_tci;
-		vlan_tci = vlan_dev_priv(dev)->vlan_id;
+		vlan_tci = vlan->vlan_id;
 		vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb);
 		skb = __vlan_hwaccel_put_tag(skb, vlan_tci);
 	}
 
-	skb->dev = vlan_dev_priv(dev)->real_dev;
+	skb->dev = vlan->real_dev;
 	len = skb->len;
-	if (netpoll_tx_running(dev))
-		return skb->dev->netdev_ops->ndo_start_xmit(skb, skb->dev);
+	if (unlikely(netpoll_tx_running(dev)))
+		return vlan_netpoll_send_skb(vlan, skb);
+
 	ret = dev_queue_xmit(skb);
 
 	if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) {
 		struct vlan_pcpu_stats *stats;
 
-		stats = this_cpu_ptr(vlan_dev_priv(dev)->vlan_pcpu_stats);
+		stats = this_cpu_ptr(vlan->vlan_pcpu_stats);
 		u64_stats_update_begin(&stats->syncp);
 		stats->tx_packets++;
 		stats->tx_bytes += len;
 		u64_stats_update_end(&stats->syncp);
 	} else {
-		this_cpu_inc(vlan_dev_priv(dev)->vlan_pcpu_stats->tx_dropped);
+		this_cpu_inc(vlan->vlan_pcpu_stats->tx_dropped);
 	}
 
 	return ret;
@@ -669,25 +682,26 @@ static void vlan_dev_poll_controller(struct net_device *dev)
 	return;
 }
 
-static int vlan_dev_netpoll_setup(struct net_device *dev, struct netpoll_info *npinfo)
+static int vlan_dev_netpoll_setup(struct net_device *dev, struct netpoll_info *npinfo,
+				  gfp_t gfp)
 {
-	struct vlan_dev_priv *info = vlan_dev_priv(dev);
-	struct net_device *real_dev = info->real_dev;
+	struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
+	struct net_device *real_dev = vlan->real_dev;
 	struct netpoll *netpoll;
 	int err = 0;
 
-	netpoll = kzalloc(sizeof(*netpoll), GFP_KERNEL);
+	netpoll = kzalloc(sizeof(*netpoll), gfp);
 	err = -ENOMEM;
 	if (!netpoll)
 		goto out;
 
-	err = __netpoll_setup(netpoll, real_dev);
+	err = __netpoll_setup(netpoll, real_dev, gfp);
 	if (err) {
 		kfree(netpoll);
 		goto out;
 	}
 
-	info->netpoll = netpoll;
+	vlan->netpoll = netpoll;
 
 out:
 	return err;
@@ -695,19 +709,15 @@ out:
 
 static void vlan_dev_netpoll_cleanup(struct net_device *dev)
 {
-	struct vlan_dev_priv *info = vlan_dev_priv(dev);
-	struct netpoll *netpoll = info->netpoll;
+	struct vlan_dev_priv *vlan= vlan_dev_priv(dev);
+	struct netpoll *netpoll = vlan->netpoll;
 
 	if (!netpoll)
 		return;
 
-	info->netpoll = NULL;
-
-        /* Wait for transmitting packets to finish before freeing. */
-        synchronize_rcu_bh();
+	vlan->netpoll = NULL;
 
-        __netpoll_cleanup(netpoll);
-        kfree(netpoll);
+	__netpoll_free_rcu(netpoll);
 }
 #endif /* CONFIG_NET_POLL_CONTROLLER */
 
diff --git a/net/atm/common.c b/net/atm/common.c
index b4b44dbed64..0c0ad930a63 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -812,6 +812,7 @@ int vcc_getsockopt(struct socket *sock, int level, int optname,
 
 		if (!vcc->dev || !test_bit(ATM_VF_ADDR, &vcc->flags))
 			return -ENOTCONN;
+		memset(&pvc, 0, sizeof(pvc));
 		pvc.sap_family = AF_ATMPVC;
 		pvc.sap_addr.itf = vcc->dev->number;
 		pvc.sap_addr.vpi = vcc->vpi;
diff --git a/net/atm/pvc.c b/net/atm/pvc.c
index 3a734919c36..ae032402140 100644
--- a/net/atm/pvc.c
+++ b/net/atm/pvc.c
@@ -95,6 +95,7 @@ static int pvc_getname(struct socket *sock, struct sockaddr *sockaddr,
 		return -ENOTCONN;
 	*sockaddr_len = sizeof(struct sockaddr_atmpvc);
 	addr = (struct sockaddr_atmpvc *)sockaddr;
+	memset(addr, 0, sizeof(*addr));
 	addr->sap_family = AF_ATMPVC;
 	addr->sap_addr.itf = vcc->dev->number;
 	addr->sap_addr.vpi = vcc->vpi;
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index e877af8bdd1..469daabd90c 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -642,7 +642,8 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv,
 	struct batadv_neigh_node *router = NULL;
 	struct batadv_orig_node *orig_node_tmp;
 	struct hlist_node *node;
-	uint8_t bcast_own_sum_orig, bcast_own_sum_neigh;
+	int if_num;
+	uint8_t sum_orig, sum_neigh;
 	uint8_t *neigh_addr;
 
 	batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
@@ -727,17 +728,17 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv,
 	if (router && (neigh_node->tq_avg == router->tq_avg)) {
 		orig_node_tmp = router->orig_node;
 		spin_lock_bh(&orig_node_tmp->ogm_cnt_lock);
-		bcast_own_sum_orig =
-			orig_node_tmp->bcast_own_sum[if_incoming->if_num];
+		if_num = router->if_incoming->if_num;
+		sum_orig = orig_node_tmp->bcast_own_sum[if_num];
 		spin_unlock_bh(&orig_node_tmp->ogm_cnt_lock);
 
 		orig_node_tmp = neigh_node->orig_node;
 		spin_lock_bh(&orig_node_tmp->ogm_cnt_lock);
-		bcast_own_sum_neigh =
-			orig_node_tmp->bcast_own_sum[if_incoming->if_num];
+		if_num = neigh_node->if_incoming->if_num;
+		sum_neigh = orig_node_tmp->bcast_own_sum[if_num];
 		spin_unlock_bh(&orig_node_tmp->ogm_cnt_lock);
 
-		if (bcast_own_sum_orig >= bcast_own_sum_neigh)
+		if (sum_orig >= sum_neigh)
 			goto update_tt;
 	}
 
diff --git a/net/batman-adv/bitarray.h b/net/batman-adv/bitarray.h
index a081ce1c051..cebaae7e148 100644
--- a/net/batman-adv/bitarray.h
+++ b/net/batman-adv/bitarray.h
@@ -20,8 +20,8 @@
 #ifndef _NET_BATMAN_ADV_BITARRAY_H_
 #define _NET_BATMAN_ADV_BITARRAY_H_
 
-/* returns true if the corresponding bit in the given seq_bits indicates true
- * and curr_seqno is within range of last_seqno
+/* Returns 1 if the corresponding bit in the given seq_bits indicates true
+ * and curr_seqno is within range of last_seqno. Otherwise returns 0.
  */
 static inline int batadv_test_bit(const unsigned long *seq_bits,
 				  uint32_t last_seqno, uint32_t curr_seqno)
@@ -32,7 +32,7 @@ static inline int batadv_test_bit(const unsigned long *seq_bits,
 	if (diff < 0 || diff >= BATADV_TQ_LOCAL_WINDOW_SIZE)
 		return 0;
 	else
-		return  test_bit(diff, seq_bits);
+		return test_bit(diff, seq_bits) != 0;
 }
 
 /* turn corresponding bit on, so we can remember that we got the packet */
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index b421cc49d2c..fc866f2e452 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -200,11 +200,11 @@ void batadv_gw_election(struct batadv_priv *bat_priv)
 	if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_CLIENT)
 		goto out;
 
-	if (!batadv_atomic_dec_not_zero(&bat_priv->gw_reselect))
-		goto out;
-
 	curr_gw = batadv_gw_get_selected_gw_node(bat_priv);
 
+	if (!batadv_atomic_dec_not_zero(&bat_priv->gw_reselect) && curr_gw)
+		goto out;
+
 	next_gw = batadv_gw_get_best_gw_node(bat_priv);
 
 	if (curr_gw == next_gw)
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 109ea2aae96..21c53577c8d 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -100,18 +100,21 @@ static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
 {
 	struct batadv_priv *bat_priv = netdev_priv(dev);
 	struct sockaddr *addr = p;
+	uint8_t old_addr[ETH_ALEN];
 
 	if (!is_valid_ether_addr(addr->sa_data))
 		return -EADDRNOTAVAIL;
 
+	memcpy(old_addr, dev->dev_addr, ETH_ALEN);
+	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+
 	/* only modify transtable if it has been initialized before */
 	if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE) {
-		batadv_tt_local_remove(bat_priv, dev->dev_addr,
+		batadv_tt_local_remove(bat_priv, old_addr,
 				       "mac address changed", false);
 		batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX);
 	}
 
-	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
 	dev->addr_assign_type &= ~NET_ADDR_RANDOM;
 	return 0;
 }
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index a438f4b582f..99dd8f75b3f 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -197,6 +197,7 @@ static void batadv_tt_local_event(struct batadv_priv *bat_priv,
 del:
 		list_del(&entry->list);
 		kfree(entry);
+		kfree(tt_change_node);
 		event_removed = true;
 		goto unlock;
 	}
diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c
index 5e5f5b410e0..1eaacf10d19 100644
--- a/net/bluetooth/bnep/sock.c
+++ b/net/bluetooth/bnep/sock.c
@@ -58,7 +58,7 @@ static int bnep_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long
 	switch (cmd) {
 	case BNEPCONNADD:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 
 		if (copy_from_user(&ca, argp, sizeof(ca)))
 			return -EFAULT;
@@ -84,7 +84,7 @@ static int bnep_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long
 
 	case BNEPCONNDEL:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 
 		if (copy_from_user(&cd, argp, sizeof(cd)))
 			return -EFAULT;
diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c
index 311668d1457..32dc83dcb6b 100644
--- a/net/bluetooth/cmtp/sock.c
+++ b/net/bluetooth/cmtp/sock.c
@@ -72,7 +72,7 @@ static int cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long
 	switch (cmd) {
 	case CMTPCONNADD:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 
 		if (copy_from_user(&ca, argp, sizeof(ca)))
 			return -EFAULT;
@@ -97,7 +97,7 @@ static int cmtp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long
 
 	case CMTPCONNDEL:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 
 		if (copy_from_user(&cd, argp, sizeof(cd)))
 			return -EFAULT;
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 5ad7da21747..3c094e78dde 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -29,6 +29,7 @@
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>
 #include <net/bluetooth/a2mp.h>
+#include <net/bluetooth/smp.h>
 
 static void hci_le_connect(struct hci_conn *conn)
 {
@@ -619,6 +620,9 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 {
 	BT_DBG("hcon %p", conn);
 
+	if (conn->type == LE_LINK)
+		return smp_conn_security(conn, sec_level);
+
 	/* For sdp we don't need the link key. */
 	if (sec_level == BT_SECURITY_SDP)
 		return 1;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index d4de5db18d5..0b997c8f965 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -734,6 +734,8 @@ static int hci_dev_do_close(struct hci_dev *hdev)
 
 	cancel_work_sync(&hdev->le_scan);
 
+	cancel_delayed_work(&hdev->power_off);
+
 	hci_req_cancel(hdev, ENODEV);
 	hci_req_lock(hdev);
 
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 41ff978a33f..715d7e33fba 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1365,6 +1365,9 @@ static bool hci_resolve_next_name(struct hci_dev *hdev)
 		return false;
 
 	e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
+	if (!e)
+		return false;
+
 	if (hci_resolve_name(hdev, e) == 0) {
 		e->name_state = NAME_PENDING;
 		return true;
@@ -1393,12 +1396,20 @@ static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
 		return;
 
 	e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
-	if (e) {
+	/* If the device was not found in a list of found devices names of which
+	 * are pending. there is no need to continue resolving a next name as it
+	 * will be done upon receiving another Remote Name Request Complete
+	 * Event */
+	if (!e)
+		return;
+
+	list_del(&e->list);
+	if (name) {
 		e->name_state = NAME_KNOWN;
-		list_del(&e->list);
-		if (name)
-			mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
-					 e->data.rssi, name, name_len);
+		mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
+				 e->data.rssi, name, name_len);
+	} else {
+		e->name_state = NAME_NOT_KNOWN;
 	}
 
 	if (hci_resolve_next_name(hdev))
@@ -1762,7 +1773,12 @@ static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 		if (conn->type == ACL_LINK) {
 			conn->state = BT_CONFIG;
 			hci_conn_hold(conn);
-			conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+
+			if (!conn->out && !hci_conn_ssp_enabled(conn) &&
+			    !hci_find_link_key(hdev, &ev->bdaddr))
+				conn->disc_timeout = HCI_PAIRING_TIMEOUT;
+			else
+				conn->disc_timeout = HCI_DISCONN_TIMEOUT;
 		} else
 			conn->state = BT_CONNECTED;
 
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index a7f04de03d7..d5ace1eda3e 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -490,7 +490,7 @@ static int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd,
 	switch (cmd) {
 	case HCISETRAW:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 
 		if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
 			return -EPERM;
@@ -510,12 +510,12 @@ static int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd,
 
 	case HCIBLOCKADDR:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 		return hci_sock_blacklist_add(hdev, (void __user *) arg);
 
 	case HCIUNBLOCKADDR:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 		return hci_sock_blacklist_del(hdev, (void __user *) arg);
 
 	default:
@@ -546,22 +546,22 @@ static int hci_sock_ioctl(struct socket *sock, unsigned int cmd,
 
 	case HCIDEVUP:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 		return hci_dev_open(arg);
 
 	case HCIDEVDOWN:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 		return hci_dev_close(arg);
 
 	case HCIDEVRESET:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 		return hci_dev_reset(arg);
 
 	case HCIDEVRESTAT:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 		return hci_dev_reset_stat(arg);
 
 	case HCISETSCAN:
@@ -573,7 +573,7 @@ static int hci_sock_ioctl(struct socket *sock, unsigned int cmd,
 	case HCISETACLMTU:
 	case HCISETSCOMTU:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 		return hci_dev_cmd(cmd, argp);
 
 	case HCIINQUIRY:
@@ -694,6 +694,7 @@ static int hci_sock_getname(struct socket *sock, struct sockaddr *addr,
 	*addr_len = sizeof(*haddr);
 	haddr->hci_family = AF_BLUETOOTH;
 	haddr->hci_dev    = hdev->id;
+	haddr->hci_channel= 0;
 
 	release_sock(sk);
 	return 0;
@@ -1009,6 +1010,7 @@ static int hci_sock_getsockopt(struct socket *sock, int level, int optname,
 		{
 			struct hci_filter *f = &hci_pi(sk)->filter;
 
+			memset(&uf, 0, sizeof(uf));
 			uf.type_mask = f->type_mask;
 			uf.opcode    = f->opcode;
 			uf.event_mask[0] = *((u32 *) f->event_mask + 0);
diff --git a/net/bluetooth/hidp/sock.c b/net/bluetooth/hidp/sock.c
index 18b3f6892a3..b24fb3bd862 100644
--- a/net/bluetooth/hidp/sock.c
+++ b/net/bluetooth/hidp/sock.c
@@ -56,7 +56,7 @@ static int hidp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long
 	switch (cmd) {
 	case HIDPCONNADD:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 
 		if (copy_from_user(&ca, argp, sizeof(ca)))
 			return -EFAULT;
@@ -91,7 +91,7 @@ static int hidp_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long
 
 	case HIDPCONNDEL:
 		if (!capable(CAP_NET_ADMIN))
-			return -EACCES;
+			return -EPERM;
 
 		if (copy_from_user(&cd, argp, sizeof(cd)))
 			return -EFAULT;
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index a8964db04bf..38c00f14220 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1008,7 +1008,7 @@ static void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *c
 	if (!conn)
 		return;
 
-	if (chan->mode == L2CAP_MODE_ERTM) {
+	if (chan->mode == L2CAP_MODE_ERTM && chan->state == BT_CONNECTED) {
 		__clear_retrans_timer(chan);
 		__clear_monitor_timer(chan);
 		__clear_ack_timer(chan);
@@ -1181,6 +1181,7 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
 	sk = chan->sk;
 
 	hci_conn_hold(conn->hcon);
+	conn->hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
 
 	bacpy(&bt_sk(sk)->src, conn->src);
 	bacpy(&bt_sk(sk)->dst, conn->dst);
@@ -1198,14 +1199,15 @@ clean:
 static void l2cap_conn_ready(struct l2cap_conn *conn)
 {
 	struct l2cap_chan *chan;
+	struct hci_conn *hcon = conn->hcon;
 
 	BT_DBG("conn %p", conn);
 
-	if (!conn->hcon->out && conn->hcon->type == LE_LINK)
+	if (!hcon->out && hcon->type == LE_LINK)
 		l2cap_le_conn_ready(conn);
 
-	if (conn->hcon->out && conn->hcon->type == LE_LINK)
-		smp_conn_security(conn, conn->hcon->pending_sec_level);
+	if (hcon->out && hcon->type == LE_LINK)
+		smp_conn_security(hcon, hcon->pending_sec_level);
 
 	mutex_lock(&conn->chan_lock);
 
@@ -1218,8 +1220,8 @@ static void l2cap_conn_ready(struct l2cap_conn *conn)
 			continue;
 		}
 
-		if (conn->hcon->type == LE_LINK) {
-			if (smp_conn_security(conn, chan->sec_level))
+		if (hcon->type == LE_LINK) {
+			if (smp_conn_security(hcon, chan->sec_level))
 				l2cap_chan_ready(chan);
 
 		} else if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) {
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index a4bb27e8427..34bbe1c5e38 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -245,6 +245,7 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *l
 
 	BT_DBG("sock %p, sk %p", sock, sk);
 
+	memset(la, 0, sizeof(struct sockaddr_l2));
 	addr->sa_family = AF_BLUETOOTH;
 	*len = sizeof(struct sockaddr_l2);
 
@@ -615,7 +616,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
 				break;
 			}
 
-			if (smp_conn_security(conn, sec.level))
+			if (smp_conn_security(conn->hcon, sec.level))
 				break;
 			sk->sk_state = BT_CONFIG;
 			chan->state = BT_CONFIG;
@@ -1174,7 +1175,7 @@ static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int p
 
 	chan = l2cap_chan_create();
 	if (!chan) {
-		l2cap_sock_kill(sk);
+		sk_free(sk);
 		return NULL;
 	}
 
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index ad6613d17ca..eba022de3c2 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -2875,6 +2875,22 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered)
 		if (scan)
 			hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
 
+		if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
+			u8 ssp = 1;
+
+			hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
+		}
+
+		if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
+			struct hci_cp_write_le_host_supported cp;
+
+			cp.le = 1;
+			cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
+
+			hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED,
+				     sizeof(cp), &cp);
+		}
+
 		update_class(hdev);
 		update_name(hdev, hdev->dev_name);
 		update_eir(hdev);
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 7e1e59645c0..1a17850d093 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -528,6 +528,7 @@ static int rfcomm_sock_getname(struct socket *sock, struct sockaddr *addr, int *
 
 	BT_DBG("sock %p, sk %p", sock, sk);
 
+	memset(sa, 0, sizeof(*sa));
 	sa->rc_family  = AF_BLUETOOTH;
 	sa->rc_channel = rfcomm_pi(sk)->channel;
 	if (peer)
@@ -822,6 +823,7 @@ static int rfcomm_sock_getsockopt(struct socket *sock, int level, int optname, c
 		}
 
 		sec.level = rfcomm_pi(sk)->sec_level;
+		sec.key_size = 0;
 
 		len = min_t(unsigned int, len, sizeof(sec));
 		if (copy_to_user(optval, (char *) &sec, len))
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index cb960773c00..56f182393c4 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -456,7 +456,7 @@ static int rfcomm_get_dev_list(void __user *arg)
 
 	size = sizeof(*dl) + dev_num * sizeof(*di);
 
-	dl = kmalloc(size, GFP_KERNEL);
+	dl = kzalloc(size, GFP_KERNEL);
 	if (!dl)
 		return -ENOMEM;
 
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 40bbe25dcff..3589e21edb0 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -131,6 +131,15 @@ static int sco_conn_del(struct hci_conn *hcon, int err)
 		sco_sock_clear_timer(sk);
 		sco_chan_del(sk, err);
 		bh_unlock_sock(sk);
+
+		sco_conn_lock(conn);
+		conn->sk = NULL;
+		sco_pi(sk)->conn = NULL;
+		sco_conn_unlock(conn);
+
+		if (conn->hcon)
+			hci_conn_put(conn->hcon);
+
 		sco_sock_kill(sk);
 	}
 
@@ -821,16 +830,6 @@ static void sco_chan_del(struct sock *sk, int err)
 
 	BT_DBG("sk %p, conn %p, err %d", sk, conn, err);
 
-	if (conn) {
-		sco_conn_lock(conn);
-		conn->sk = NULL;
-		sco_pi(sk)->conn = NULL;
-		sco_conn_unlock(conn);
-
-		if (conn->hcon)
-			hci_conn_put(conn->hcon);
-	}
-
 	sk->sk_state = BT_CLOSED;
 	sk->sk_err   = err;
 	sk->sk_state_change(sk);
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 16ef0dc85a0..8c225ef349c 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -267,10 +267,10 @@ static void smp_failure(struct l2cap_conn *conn, u8 reason, u8 send)
 	mgmt_auth_failed(conn->hcon->hdev, conn->dst, hcon->type,
 			 hcon->dst_type, reason);
 
-	if (test_and_clear_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->flags)) {
-		cancel_delayed_work_sync(&conn->security_timer);
+	cancel_delayed_work_sync(&conn->security_timer);
+
+	if (test_and_clear_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->flags))
 		smp_chan_destroy(conn);
-	}
 }
 
 #define JUST_WORKS	0x00
@@ -579,8 +579,11 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb)
 
 	if (!test_and_set_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->flags))
 		smp = smp_chan_create(conn);
+	else
+		smp = conn->smp_chan;
 
-	smp = conn->smp_chan;
+	if (!smp)
+		return SMP_UNSPECIFIED;
 
 	smp->preq[0] = SMP_CMD_PAIRING_REQ;
 	memcpy(&smp->preq[1], req, sizeof(*req));
@@ -757,9 +760,9 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
 	return 0;
 }
 
-int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level)
+int smp_conn_security(struct hci_conn *hcon, __u8 sec_level)
 {
-	struct hci_conn *hcon = conn->hcon;
+	struct l2cap_conn *conn = hcon->l2cap_data;
 	struct smp_chan *smp = conn->smp_chan;
 	__u8 authreq;
 
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 33348453760..070e8a68cfc 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -31,9 +31,11 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct net_bridge_mdb_entry *mdst;
 	struct br_cpu_netstats *brstats = this_cpu_ptr(br->stats);
 
+	rcu_read_lock();
 #ifdef CONFIG_BRIDGE_NETFILTER
 	if (skb->nf_bridge && (skb->nf_bridge->mask & BRNF_BRIDGED_DNAT)) {
 		br_nf_pre_routing_finish_bridge_slow(skb);
+		rcu_read_unlock();
 		return NETDEV_TX_OK;
 	}
 #endif
@@ -48,7 +50,6 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
 	skb_reset_mac_header(skb);
 	skb_pull(skb, ETH_HLEN);
 
-	rcu_read_lock();
 	if (is_broadcast_ether_addr(dest))
 		br_flood_deliver(br, skb);
 	else if (is_multicast_ether_addr(dest)) {
@@ -206,24 +207,23 @@ static void br_poll_controller(struct net_device *br_dev)
 static void br_netpoll_cleanup(struct net_device *dev)
 {
 	struct net_bridge *br = netdev_priv(dev);
-	struct net_bridge_port *p, *n;
+	struct net_bridge_port *p;
 
-	list_for_each_entry_safe(p, n, &br->port_list, list) {
+	list_for_each_entry(p, &br->port_list, list)
 		br_netpoll_disable(p);
-	}
 }
 
-static int br_netpoll_setup(struct net_device *dev, struct netpoll_info *ni)
+static int br_netpoll_setup(struct net_device *dev, struct netpoll_info *ni,
+			    gfp_t gfp)
 {
 	struct net_bridge *br = netdev_priv(dev);
-	struct net_bridge_port *p, *n;
+	struct net_bridge_port *p;
 	int err = 0;
 
-	list_for_each_entry_safe(p, n, &br->port_list, list) {
+	list_for_each_entry(p, &br->port_list, list) {
 		if (!p->dev)
 			continue;
-
-		err = br_netpoll_enable(p);
+		err = br_netpoll_enable(p, gfp);
 		if (err)
 			goto fail;
 	}
@@ -236,17 +236,17 @@ fail:
 	goto out;
 }
 
-int br_netpoll_enable(struct net_bridge_port *p)
+int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp)
 {
 	struct netpoll *np;
 	int err = 0;
 
-	np = kzalloc(sizeof(*p->np), GFP_KERNEL);
+	np = kzalloc(sizeof(*p->np), gfp);
 	err = -ENOMEM;
 	if (!np)
 		goto out;
 
-	err = __netpoll_setup(np, p->dev);
+	err = __netpoll_setup(np, p->dev, gfp);
 	if (err) {
 		kfree(np);
 		goto out;
@@ -267,11 +267,7 @@ void br_netpoll_disable(struct net_bridge_port *p)
 
 	p->np = NULL;
 
-	/* Wait for transmitting packets to finish before freeing. */
-	synchronize_rcu_bh();
-
-	__netpoll_cleanup(np);
-	kfree(np);
+	__netpoll_free_rcu(np);
 }
 
 #endif
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index e9466d41270..02015a505d2 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -65,7 +65,7 @@ static void __br_deliver(const struct net_bridge_port *to, struct sk_buff *skb)
 {
 	skb->dev = to->dev;
 
-	if (unlikely(netpoll_tx_running(to->dev))) {
+	if (unlikely(netpoll_tx_running(to->br->dev))) {
 		if (packet_length(skb) > skb->dev->mtu && !skb_is_gso(skb))
 			kfree_skb(skb);
 		else {
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index e1144e1617b..1c8fdc3558c 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -361,7 +361,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev)
 	if (err)
 		goto err2;
 
-	if (br_netpoll_info(br) && ((err = br_netpoll_enable(p))))
+	if (br_netpoll_info(br) && ((err = br_netpoll_enable(p, GFP_KERNEL))))
 		goto err3;
 
 	err = netdev_set_master(dev, br->dev);
@@ -427,6 +427,10 @@ int br_del_if(struct net_bridge *br, struct net_device *dev)
 	if (!p || p->br != br)
 		return -EINVAL;
 
+	/* Since more than one interface can be attached to a bridge,
+	 * there still maybe an alternate path for netconsole to use;
+	 * therefore there is no reason for a NETDEV_RELEASE event.
+	 */
 	del_nbp(p);
 
 	spin_lock_bh(&br->lock);
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index a768b2408ed..f507d2af964 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -316,7 +316,7 @@ static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
 		netpoll_send_skb(np, skb);
 }
 
-extern int br_netpoll_enable(struct net_bridge_port *p);
+extern int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp);
 extern void br_netpoll_disable(struct net_bridge_port *p);
 #else
 static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br)
@@ -329,7 +329,7 @@ static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
 {
 }
 
-static inline int br_netpoll_enable(struct net_bridge_port *p)
+static inline int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp)
 {
 	return 0;
 }
diff --git a/net/bridge/netfilter/ebt_log.c b/net/bridge/netfilter/ebt_log.c
index f88ee537fb2..92de5e5f9db 100644
--- a/net/bridge/netfilter/ebt_log.c
+++ b/net/bridge/netfilter/ebt_log.c
@@ -80,7 +80,7 @@ ebt_log_packet(u_int8_t pf, unsigned int hooknum,
 	unsigned int bitmask;
 
 	spin_lock_bh(&ebt_log_lock);
-	printk("<%c>%s IN=%s OUT=%s MAC source = %pM MAC dest = %pM proto = 0x%04x",
+	printk(KERN_SOH "%c%s IN=%s OUT=%s MAC source = %pM MAC dest = %pM proto = 0x%04x",
 	       '0' + loginfo->u.log.level, prefix,
 	       in ? in->name : "", out ? out->name : "",
 	       eth_hdr(skb)->h_source, eth_hdr(skb)->h_dest,
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index 78f1cdad5b3..095259f8390 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -141,7 +141,7 @@ static int caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 	err = sk_filter(sk, skb);
 	if (err)
 		return err;
-	if (!sk_rmem_schedule(sk, skb->truesize) && rx_flow_is_on(cf_sk)) {
+	if (!sk_rmem_schedule(sk, skb, skb->truesize) && rx_flow_is_on(cf_sk)) {
 		set_rx_flow_off(cf_sk);
 		net_dbg_ratelimited("sending flow OFF due to rmem_schedule\n");
 		caif_flow_ctrl(sk, CAIF_MODEMCMD_FLOW_OFF_REQ);
diff --git a/net/caif/cfsrvl.c b/net/caif/cfsrvl.c
index dd485f6128e..ba217e90765 100644
--- a/net/caif/cfsrvl.c
+++ b/net/caif/cfsrvl.c
@@ -211,9 +211,10 @@ void caif_client_register_refcnt(struct cflayer *adapt_layer,
 					void (*put)(struct cflayer *lyr))
 {
 	struct cfsrvl *service;
-	service = container_of(adapt_layer->dn, struct cfsrvl, layer);
 
-	WARN_ON(adapt_layer == NULL || adapt_layer->dn == NULL);
+	if (WARN_ON(adapt_layer == NULL || adapt_layer->dn == NULL))
+		return;
+	service = container_of(adapt_layer->dn, struct cfsrvl, layer);
 	service->hold = hold;
 	service->put = put;
 }
diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index 69771c04ba8..e597733affb 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -94,6 +94,10 @@ static int chnl_recv_cb(struct cflayer *layr, struct cfpkt *pkt)
 
 	/* check the version of IP */
 	ip_version = skb_header_pointer(skb, 0, 1, &buf);
+	if (!ip_version) {
+		kfree_skb(skb);
+		return -EINVAL;
+	}
 
 	switch (*ip_version >> 4) {
 	case 4:
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 69e38db28e5..a8020293f34 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -84,7 +84,6 @@ int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid)
 			return -1;
 		}
 	} else {
-		pr_info("client%lld fsid %pU\n", ceph_client_id(client), fsid);
 		memcpy(&client->fsid, fsid, sizeof(*fsid));
 	}
 	return 0;
diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c
index b780cb7947d..9da7fdd3cd8 100644
--- a/net/ceph/crypto.c
+++ b/net/ceph/crypto.c
@@ -466,6 +466,7 @@ void ceph_key_destroy(struct key *key) {
 	struct ceph_crypto_key *ckey = key->payload.data;
 
 	ceph_crypto_key_destroy(ckey);
+	kfree(ckey);
 }
 
 struct key_type key_type_ceph = {
diff --git a/net/ceph/crypto.h b/net/ceph/crypto.h
index 1919d1550d7..3572dc518bc 100644
--- a/net/ceph/crypto.h
+++ b/net/ceph/crypto.h
@@ -16,7 +16,8 @@ struct ceph_crypto_key {
 
 static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key)
 {
-	kfree(key->key);
+	if (key)
+		kfree(key->key);
 }
 
 extern int ceph_crypto_key_clone(struct ceph_crypto_key *dst,
diff --git a/net/ceph/debugfs.c b/net/ceph/debugfs.c
index 54b531a0112..38b5dc1823d 100644
--- a/net/ceph/debugfs.c
+++ b/net/ceph/debugfs.c
@@ -189,6 +189,9 @@ int ceph_debugfs_client_init(struct ceph_client *client)
 	snprintf(name, sizeof(name), "%pU.client%lld", &client->fsid,
 		 client->monc.auth->global_id);
 
+	dout("ceph_debugfs_client_init %p %s\n", client, name);
+
+	BUG_ON(client->debugfs_dir);
 	client->debugfs_dir = debugfs_create_dir(name, ceph_debugfs_dir);
 	if (!client->debugfs_dir)
 		goto out;
@@ -234,6 +237,7 @@ out:
 
 void ceph_debugfs_client_cleanup(struct ceph_client *client)
 {
+	dout("ceph_debugfs_client_cleanup %p\n", client);
 	debugfs_remove(client->debugfs_osdmap);
 	debugfs_remove(client->debugfs_monmap);
 	debugfs_remove(client->osdc.debugfs_file);
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index b9796750034..159aa8bef9e 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -915,7 +915,6 @@ static int prepare_write_connect(struct ceph_connection *con)
 	con->out_connect.authorizer_len = auth ?
 		cpu_to_le32(auth->authorizer_buf_len) : 0;
 
-	con_out_kvec_reset(con);
 	con_out_kvec_add(con, sizeof (con->out_connect),
 					&con->out_connect);
 	if (auth && auth->authorizer_buf_len)
@@ -1074,16 +1073,13 @@ static int write_partial_msg_pages(struct ceph_connection *con)
 			BUG_ON(kaddr == NULL);
 			base = kaddr + con->out_msg_pos.page_pos + bio_offset;
 			crc = crc32c(crc, base, len);
+			kunmap(page);
 			msg->footer.data_crc = cpu_to_le32(crc);
 			con->out_msg_pos.did_page_crc = true;
 		}
 		ret = ceph_tcp_sendpage(con->sock, page,
 				      con->out_msg_pos.page_pos + bio_offset,
 				      len, 1);
-
-		if (do_datacrc)
-			kunmap(page);
-
 		if (ret <= 0)
 			goto out;
 
@@ -1557,6 +1553,7 @@ static int process_connect(struct ceph_connection *con)
 			return -1;
 		}
 		con->auth_retry = 1;
+		con_out_kvec_reset(con);
 		ret = prepare_write_connect(con);
 		if (ret < 0)
 			return ret;
@@ -1577,6 +1574,7 @@ static int process_connect(struct ceph_connection *con)
 		       ENTITY_NAME(con->peer_name),
 		       ceph_pr_addr(&con->peer_addr.in_addr));
 		reset_connection(con);
+		con_out_kvec_reset(con);
 		ret = prepare_write_connect(con);
 		if (ret < 0)
 			return ret;
@@ -1601,6 +1599,7 @@ static int process_connect(struct ceph_connection *con)
 		     le32_to_cpu(con->out_connect.connect_seq),
 		     le32_to_cpu(con->in_reply.connect_seq));
 		con->connect_seq = le32_to_cpu(con->in_reply.connect_seq);
+		con_out_kvec_reset(con);
 		ret = prepare_write_connect(con);
 		if (ret < 0)
 			return ret;
@@ -1617,6 +1616,7 @@ static int process_connect(struct ceph_connection *con)
 		     le32_to_cpu(con->in_reply.global_seq));
 		get_global_seq(con->msgr,
 			       le32_to_cpu(con->in_reply.global_seq));
+		con_out_kvec_reset(con);
 		ret = prepare_write_connect(con);
 		if (ret < 0)
 			return ret;
@@ -2135,7 +2135,11 @@ more:
 		BUG_ON(con->state != CON_STATE_CONNECTING);
 		con->state = CON_STATE_NEGOTIATING;
 
-		/* Banner is good, exchange connection info */
+		/*
+		 * Received banner is good, exchange connection info.
+		 * Do not reset out_kvec, as sending our banner raced
+		 * with receiving peer banner after connect completed.
+		 */
 		ret = prepare_write_connect(con);
 		if (ret < 0)
 			goto out;
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 105d533b55f..900ea0f043f 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -311,6 +311,17 @@ int ceph_monc_open_session(struct ceph_mon_client *monc)
 EXPORT_SYMBOL(ceph_monc_open_session);
 
 /*
+ * We require the fsid and global_id in order to initialize our
+ * debugfs dir.
+ */
+static bool have_debugfs_info(struct ceph_mon_client *monc)
+{
+	dout("have_debugfs_info fsid %d globalid %lld\n",
+	     (int)monc->client->have_fsid, monc->auth->global_id);
+	return monc->client->have_fsid && monc->auth->global_id > 0;
+}
+
+/*
  * The monitor responds with mount ack indicate mount success.  The
  * included client ticket allows the client to talk to MDSs and OSDs.
  */
@@ -320,9 +331,12 @@ static void ceph_monc_handle_map(struct ceph_mon_client *monc,
 	struct ceph_client *client = monc->client;
 	struct ceph_monmap *monmap = NULL, *old = monc->monmap;
 	void *p, *end;
+	int had_debugfs_info, init_debugfs = 0;
 
 	mutex_lock(&monc->mutex);
 
+	had_debugfs_info = have_debugfs_info(monc);
+
 	dout("handle_monmap\n");
 	p = msg->front.iov_base;
 	end = p + msg->front.iov_len;
@@ -344,12 +358,22 @@ static void ceph_monc_handle_map(struct ceph_mon_client *monc,
 
 	if (!client->have_fsid) {
 		client->have_fsid = true;
+		if (!had_debugfs_info && have_debugfs_info(monc)) {
+			pr_info("client%lld fsid %pU\n",
+				ceph_client_id(monc->client),
+				&monc->client->fsid);
+			init_debugfs = 1;
+		}
 		mutex_unlock(&monc->mutex);
-		/*
-		 * do debugfs initialization without mutex to avoid
-		 * creating a locking dependency
-		 */
-		ceph_debugfs_client_init(client);
+
+		if (init_debugfs) {
+			/*
+			 * do debugfs initialization without mutex to avoid
+			 * creating a locking dependency
+			 */
+			ceph_debugfs_client_init(monc->client);
+		}
+
 		goto out_unlocked;
 	}
 out:
@@ -865,8 +889,10 @@ static void handle_auth_reply(struct ceph_mon_client *monc,
 {
 	int ret;
 	int was_auth = 0;
+	int had_debugfs_info, init_debugfs = 0;
 
 	mutex_lock(&monc->mutex);
+	had_debugfs_info = have_debugfs_info(monc);
 	if (monc->auth->ops)
 		was_auth = monc->auth->ops->is_authenticated(monc->auth);
 	monc->pending_auth = 0;
@@ -889,7 +915,22 @@ static void handle_auth_reply(struct ceph_mon_client *monc,
 		__send_subscribe(monc);
 		__resend_generic_request(monc);
 	}
+
+	if (!had_debugfs_info && have_debugfs_info(monc)) {
+		pr_info("client%lld fsid %pU\n",
+			ceph_client_id(monc->client),
+			&monc->client->fsid);
+		init_debugfs = 1;
+	}
 	mutex_unlock(&monc->mutex);
+
+	if (init_debugfs) {
+		/*
+		 * do debugfs initialization without mutex to avoid
+		 * creating a locking dependency
+		 */
+		ceph_debugfs_client_init(monc->client);
+	}
 }
 
 static int __validate_auth(struct ceph_mon_client *monc)
diff --git a/net/core/dev.c b/net/core/dev.c
index 0ebaea16632..89e33a5d4d9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1055,6 +1055,8 @@ rollback:
  */
 int dev_set_alias(struct net_device *dev, const char *alias, size_t len)
 {
+	char *new_ifalias;
+
 	ASSERT_RTNL();
 
 	if (len >= IFALIASZ)
@@ -1068,9 +1070,10 @@ int dev_set_alias(struct net_device *dev, const char *alias, size_t len)
 		return 0;
 	}
 
-	dev->ifalias = krealloc(dev->ifalias, len + 1, GFP_KERNEL);
-	if (!dev->ifalias)
+	new_ifalias = krealloc(dev->ifalias, len + 1, GFP_KERNEL);
+	if (!new_ifalias)
 		return -ENOMEM;
+	dev->ifalias = new_ifalias;
 
 	strlcpy(dev->ifalias, alias, len+1);
 	return len;
@@ -1172,6 +1175,7 @@ static int __dev_open(struct net_device *dev)
 		net_dmaengine_get();
 		dev_set_rx_mode(dev);
 		dev_activate(dev);
+		add_device_randomness(dev->dev_addr, dev->addr_len);
 	}
 
 	return ret;
@@ -1638,6 +1642,19 @@ static inline int deliver_skb(struct sk_buff *skb,
 	return pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
 }
 
+static inline bool skb_loop_sk(struct packet_type *ptype, struct sk_buff *skb)
+{
+	if (ptype->af_packet_priv == NULL)
+		return false;
+
+	if (ptype->id_match)
+		return ptype->id_match(ptype, skb->sk);
+	else if ((struct sock *)ptype->af_packet_priv == skb->sk)
+		return true;
+
+	return false;
+}
+
 /*
  *	Support routine. Sends outgoing frames to any network
  *	taps currently in use.
@@ -1655,8 +1672,7 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
 		 * they originated from - MvS (miquels@drinkel.ow.org)
 		 */
 		if ((ptype->dev == dev || !ptype->dev) &&
-		    (ptype->af_packet_priv == NULL ||
-		     (struct sock *)ptype->af_packet_priv != skb->sk)) {
+		    (!skb_loop_sk(ptype, skb))) {
 			if (pt_prev) {
 				deliver_skb(skb2, pt_prev, skb->dev);
 				pt_prev = ptype;
@@ -2118,7 +2134,8 @@ static bool can_checksum_protocol(netdev_features_t features, __be16 protocol)
 static netdev_features_t harmonize_features(struct sk_buff *skb,
 	__be16 protocol, netdev_features_t features)
 {
-	if (!can_checksum_protocol(features, protocol)) {
+	if (skb->ip_summed != CHECKSUM_NONE &&
+	    !can_checksum_protocol(features, protocol)) {
 		features &= ~NETIF_F_ALL_CSUM;
 		features &= ~NETIF_F_SG;
 	} else if (illegal_highdma(skb->dev, skb)) {
@@ -2133,6 +2150,9 @@ netdev_features_t netif_skb_features(struct sk_buff *skb)
 	__be16 protocol = skb->protocol;
 	netdev_features_t features = skb->dev->features;
 
+	if (skb_shinfo(skb)->gso_segs > skb->dev->gso_max_segs)
+		features &= ~NETIF_F_GSO_MASK;
+
 	if (protocol == htons(ETH_P_8021Q)) {
 		struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
 		protocol = veh->h_vlan_encapsulated_proto;
@@ -2628,15 +2648,16 @@ void __skb_get_rxhash(struct sk_buff *skb)
 	if (!skb_flow_dissect(skb, &keys))
 		return;
 
-	if (keys.ports) {
-		if ((__force u16)keys.port16[1] < (__force u16)keys.port16[0])
-			swap(keys.port16[0], keys.port16[1]);
+	if (keys.ports)
 		skb->l4_rxhash = 1;
-	}
 
 	/* get a consistent hash (same value on both flow directions) */
-	if ((__force u32)keys.dst < (__force u32)keys.src)
+	if (((__force u32)keys.dst < (__force u32)keys.src) ||
+	    (((__force u32)keys.dst == (__force u32)keys.src) &&
+	     ((__force u16)keys.port16[1] < (__force u16)keys.port16[0]))) {
 		swap(keys.dst, keys.src);
+		swap(keys.port16[0], keys.port16[1]);
+	}
 
 	hash = jhash_3words((__force u32)keys.dst,
 			    (__force u32)keys.src,
@@ -3155,6 +3176,23 @@ void netdev_rx_handler_unregister(struct net_device *dev)
 }
 EXPORT_SYMBOL_GPL(netdev_rx_handler_unregister);
 
+/*
+ * Limit the use of PFMEMALLOC reserves to those protocols that implement
+ * the special handling of PFMEMALLOC skbs.
+ */
+static bool skb_pfmemalloc_protocol(struct sk_buff *skb)
+{
+	switch (skb->protocol) {
+	case __constant_htons(ETH_P_ARP):
+	case __constant_htons(ETH_P_IP):
+	case __constant_htons(ETH_P_IPV6):
+	case __constant_htons(ETH_P_8021Q):
+		return true;
+	default:
+		return false;
+	}
+}
+
 static int __netif_receive_skb(struct sk_buff *skb)
 {
 	struct packet_type *ptype, *pt_prev;
@@ -3164,14 +3202,27 @@ static int __netif_receive_skb(struct sk_buff *skb)
 	bool deliver_exact = false;
 	int ret = NET_RX_DROP;
 	__be16 type;
+	unsigned long pflags = current->flags;
 
 	net_timestamp_check(!netdev_tstamp_prequeue, skb);
 
 	trace_netif_receive_skb(skb);
 
+	/*
+	 * PFMEMALLOC skbs are special, they should
+	 * - be delivered to SOCK_MEMALLOC sockets only
+	 * - stay away from userspace
+	 * - have bounded memory usage
+	 *
+	 * Use PF_MEMALLOC as this saves us from propagating the allocation
+	 * context down to all allocation sites.
+	 */
+	if (sk_memalloc_socks() && skb_pfmemalloc(skb))
+		current->flags |= PF_MEMALLOC;
+
 	/* if we've gotten here through NAPI, check netpoll */
 	if (netpoll_receive_skb(skb))
-		return NET_RX_DROP;
+		goto out;
 
 	orig_dev = skb->dev;
 
@@ -3191,7 +3242,7 @@ another_round:
 	if (skb->protocol == cpu_to_be16(ETH_P_8021Q)) {
 		skb = vlan_untag(skb);
 		if (unlikely(!skb))
-			goto out;
+			goto unlock;
 	}
 
 #ifdef CONFIG_NET_CLS_ACT
@@ -3201,6 +3252,9 @@ another_round:
 	}
 #endif
 
+	if (sk_memalloc_socks() && skb_pfmemalloc(skb))
+		goto skip_taps;
+
 	list_for_each_entry_rcu(ptype, &ptype_all, list) {
 		if (!ptype->dev || ptype->dev == skb->dev) {
 			if (pt_prev)
@@ -3209,13 +3263,18 @@ another_round:
 		}
 	}
 
+skip_taps:
 #ifdef CONFIG_NET_CLS_ACT
 	skb = handle_ing(skb, &pt_prev, &ret, orig_dev);
 	if (!skb)
-		goto out;
+		goto unlock;
 ncls:
 #endif
 
+	if (sk_memalloc_socks() && skb_pfmemalloc(skb)
+				&& !skb_pfmemalloc_protocol(skb))
+		goto drop;
+
 	rx_handler = rcu_dereference(skb->dev->rx_handler);
 	if (vlan_tx_tag_present(skb)) {
 		if (pt_prev) {
@@ -3225,7 +3284,7 @@ ncls:
 		if (vlan_do_receive(&skb, !rx_handler))
 			goto another_round;
 		else if (unlikely(!skb))
-			goto out;
+			goto unlock;
 	}
 
 	if (rx_handler) {
@@ -3235,7 +3294,7 @@ ncls:
 		}
 		switch (rx_handler(&skb)) {
 		case RX_HANDLER_CONSUMED:
-			goto out;
+			goto unlock;
 		case RX_HANDLER_ANOTHER:
 			goto another_round;
 		case RX_HANDLER_EXACT:
@@ -3264,10 +3323,11 @@ ncls:
 
 	if (pt_prev) {
 		if (unlikely(skb_orphan_frags(skb, GFP_ATOMIC)))
-			ret = -ENOMEM;
+			goto drop;
 		else
 			ret = pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
 	} else {
+drop:
 		atomic_long_inc(&skb->dev->rx_dropped);
 		kfree_skb(skb);
 		/* Jamal, now you will not able to escape explaining
@@ -3276,8 +3336,10 @@ ncls:
 		ret = NET_RX_DROP;
 	}
 
-out:
+unlock:
 	rcu_read_unlock();
+out:
+	tsk_restore_flags(current, pflags, PF_MEMALLOC);
 	return ret;
 }
 
@@ -4801,6 +4863,7 @@ int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa)
 	err = ops->ndo_set_mac_address(dev, sa);
 	if (!err)
 		call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
+	add_device_randomness(dev->dev_addr, dev->addr_len);
 	return err;
 }
 EXPORT_SYMBOL(dev_set_mac_address);
@@ -5579,6 +5642,7 @@ int register_netdevice(struct net_device *dev)
 	dev_init_scheduler(dev);
 	dev_hold(dev);
 	list_netdevice(dev);
+	add_device_randomness(dev->dev_addr, dev->addr_len);
 
 	/* Notify protocols, that a new device appeared. */
 	ret = call_netdevice_notifiers(NETDEV_REGISTER, dev);
@@ -5682,6 +5746,7 @@ EXPORT_SYMBOL(netdev_refcnt_read);
 
 /**
  * netdev_wait_allrefs - wait until all references are gone.
+ * @dev: target net_device
  *
  * This is called when unregistering network devices.
  *
@@ -5942,6 +6007,7 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,
 	dev_net_set(dev, &init_net);
 
 	dev->gso_max_size = GSO_MAX_SIZE;
+	dev->gso_max_segs = GSO_MAX_SEGS;
 
 	INIT_LIST_HEAD(&dev->napi_list);
 	INIT_LIST_HEAD(&dev->unreg_list);
diff --git a/net/core/dst.c b/net/core/dst.c
index 069d51d2941..56d63612e1e 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -149,7 +149,15 @@ int dst_discard(struct sk_buff *skb)
 }
 EXPORT_SYMBOL(dst_discard);
 
-const u32 dst_default_metrics[RTAX_MAX];
+const u32 dst_default_metrics[RTAX_MAX + 1] = {
+	/* This initializer is needed to force linker to place this variable
+	 * into const section. Otherwise it might end into bss section.
+	 * We really want to avoid false sharing on this variable, and catch
+	 * any writes on it.
+	 */
+	[RTAX_MAX] = 0xdeadbeef,
+};
+
 
 void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
 		int initial_ref, int initial_obsolete, unsigned short flags)
diff --git a/net/core/filter.c b/net/core/filter.c
index d4ce2dc712e..907efd27ec7 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -83,6 +83,14 @@ int sk_filter(struct sock *sk, struct sk_buff *skb)
 	int err;
 	struct sk_filter *filter;
 
+	/*
+	 * If the skb was allocated from pfmemalloc reserves, only
+	 * allow SOCK_MEMALLOC sockets to use it as this socket is
+	 * helping free memory
+	 */
+	if (skb_pfmemalloc(skb) && !sock_flag(sk, SOCK_MEMALLOC))
+		return -ENOMEM;
+
 	err = security_sock_rcv_skb(sk, skb);
 	if (err)
 		return err;
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index b4c90e42b44..e4ba3e70c17 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -26,6 +26,7 @@
 #include <linux/workqueue.h>
 #include <linux/slab.h>
 #include <linux/export.h>
+#include <linux/if_vlan.h>
 #include <net/tcp.h>
 #include <net/udp.h>
 #include <asm/unaligned.h>
@@ -54,7 +55,7 @@ static atomic_t trapped;
 	 MAX_UDP_CHUNK)
 
 static void zap_completion_queue(void);
-static void arp_reply(struct sk_buff *skb);
+static void netpoll_arp_reply(struct sk_buff *skb, struct netpoll_info *npinfo);
 
 static unsigned int carrier_timeout = 4;
 module_param(carrier_timeout, uint, 0644);
@@ -170,7 +171,8 @@ static void poll_napi(struct net_device *dev)
 	list_for_each_entry(napi, &dev->napi_list, dev_list) {
 		if (napi->poll_owner != smp_processor_id() &&
 		    spin_trylock(&napi->poll_lock)) {
-			budget = poll_one_napi(dev->npinfo, napi, budget);
+			budget = poll_one_napi(rcu_dereference_bh(dev->npinfo),
+					       napi, budget);
 			spin_unlock(&napi->poll_lock);
 
 			if (!budget)
@@ -185,13 +187,14 @@ static void service_arp_queue(struct netpoll_info *npi)
 		struct sk_buff *skb;
 
 		while ((skb = skb_dequeue(&npi->arp_tx)))
-			arp_reply(skb);
+			netpoll_arp_reply(skb, npi);
 	}
 }
 
 static void netpoll_poll_dev(struct net_device *dev)
 {
 	const struct net_device_ops *ops;
+	struct netpoll_info *ni = rcu_dereference_bh(dev->npinfo);
 
 	if (!dev || !netif_running(dev))
 		return;
@@ -206,17 +209,18 @@ static void netpoll_poll_dev(struct net_device *dev)
 	poll_napi(dev);
 
 	if (dev->flags & IFF_SLAVE) {
-		if (dev->npinfo) {
+		if (ni) {
 			struct net_device *bond_dev = dev->master;
 			struct sk_buff *skb;
-			while ((skb = skb_dequeue(&dev->npinfo->arp_tx))) {
+			struct netpoll_info *bond_ni = rcu_dereference_bh(bond_dev->npinfo);
+			while ((skb = skb_dequeue(&ni->arp_tx))) {
 				skb->dev = bond_dev;
-				skb_queue_tail(&bond_dev->npinfo->arp_tx, skb);
+				skb_queue_tail(&bond_ni->arp_tx, skb);
 			}
 		}
 	}
 
-	service_arp_queue(dev->npinfo);
+	service_arp_queue(ni);
 
 	zap_completion_queue();
 }
@@ -302,6 +306,7 @@ static int netpoll_owner_active(struct net_device *dev)
 	return 0;
 }
 
+/* call with IRQ disabled */
 void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
 			     struct net_device *dev)
 {
@@ -309,8 +314,11 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
 	unsigned long tries;
 	const struct net_device_ops *ops = dev->netdev_ops;
 	/* It is up to the caller to keep npinfo alive. */
-	struct netpoll_info *npinfo = np->dev->npinfo;
+	struct netpoll_info *npinfo;
+
+	WARN_ON_ONCE(!irqs_disabled());
 
+	npinfo = rcu_dereference_bh(np->dev->npinfo);
 	if (!npinfo || !netif_running(dev) || !netif_device_present(dev)) {
 		__kfree_skb(skb);
 		return;
@@ -319,16 +327,22 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
 	/* don't get messages out of order, and no recursion */
 	if (skb_queue_len(&npinfo->txq) == 0 && !netpoll_owner_active(dev)) {
 		struct netdev_queue *txq;
-		unsigned long flags;
 
 		txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb));
 
-		local_irq_save(flags);
 		/* try until next clock tick */
 		for (tries = jiffies_to_usecs(1)/USEC_PER_POLL;
 		     tries > 0; --tries) {
 			if (__netif_tx_trylock(txq)) {
 				if (!netif_xmit_stopped(txq)) {
+					if (vlan_tx_tag_present(skb) &&
+					    !(netif_skb_features(skb) & NETIF_F_HW_VLAN_TX)) {
+						skb = __vlan_put_tag(skb, vlan_tx_tag_get(skb));
+						if (unlikely(!skb))
+							break;
+						skb->vlan_tci = 0;
+					}
+
 					status = ops->ndo_start_xmit(skb, dev);
 					if (status == NETDEV_TX_OK)
 						txq_trans_update(txq);
@@ -347,10 +361,9 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
 		}
 
 		WARN_ONCE(!irqs_disabled(),
-			"netpoll_send_skb(): %s enabled interrupts in poll (%pF)\n",
+			"netpoll_send_skb_on_dev(): %s enabled interrupts in poll (%pF)\n",
 			dev->name, ops->ndo_start_xmit);
 
-		local_irq_restore(flags);
 	}
 
 	if (status != NETDEV_TX_OK) {
@@ -423,9 +436,8 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
 }
 EXPORT_SYMBOL(netpoll_send_udp);
 
-static void arp_reply(struct sk_buff *skb)
+static void netpoll_arp_reply(struct sk_buff *skb, struct netpoll_info *npinfo)
 {
-	struct netpoll_info *npinfo = skb->dev->npinfo;
 	struct arphdr *arp;
 	unsigned char *arp_ptr;
 	int size, type = ARPOP_REPLY, ptype = ETH_P_ARP;
@@ -543,13 +555,12 @@ static void arp_reply(struct sk_buff *skb)
 	spin_unlock_irqrestore(&npinfo->rx_lock, flags);
 }
 
-int __netpoll_rx(struct sk_buff *skb)
+int __netpoll_rx(struct sk_buff *skb, struct netpoll_info *npinfo)
 {
 	int proto, len, ulen;
 	int hits = 0;
 	const struct iphdr *iph;
 	struct udphdr *uh;
-	struct netpoll_info *npinfo = skb->dev->npinfo;
 	struct netpoll *np, *tmp;
 
 	if (list_empty(&npinfo->rx_np))
@@ -565,6 +576,12 @@ int __netpoll_rx(struct sk_buff *skb)
 		return 1;
 	}
 
+	if (skb->protocol == cpu_to_be16(ETH_P_8021Q)) {
+		skb = vlan_untag(skb);
+		if (unlikely(!skb))
+			goto out;
+	}
+
 	proto = ntohs(eth_hdr(skb)->h_proto);
 	if (proto != ETH_P_IP)
 		goto out;
@@ -715,7 +732,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
 }
 EXPORT_SYMBOL(netpoll_parse_options);
 
-int __netpoll_setup(struct netpoll *np, struct net_device *ndev)
+int __netpoll_setup(struct netpoll *np, struct net_device *ndev, gfp_t gfp)
 {
 	struct netpoll_info *npinfo;
 	const struct net_device_ops *ops;
@@ -734,7 +751,7 @@ int __netpoll_setup(struct netpoll *np, struct net_device *ndev)
 	}
 
 	if (!ndev->npinfo) {
-		npinfo = kmalloc(sizeof(*npinfo), GFP_KERNEL);
+		npinfo = kmalloc(sizeof(*npinfo), gfp);
 		if (!npinfo) {
 			err = -ENOMEM;
 			goto out;
@@ -752,7 +769,7 @@ int __netpoll_setup(struct netpoll *np, struct net_device *ndev)
 
 		ops = np->dev->netdev_ops;
 		if (ops->ndo_netpoll_setup) {
-			err = ops->ndo_netpoll_setup(ndev, npinfo);
+			err = ops->ndo_netpoll_setup(ndev, npinfo, gfp);
 			if (err)
 				goto free_npinfo;
 		}
@@ -857,7 +874,7 @@ int netpoll_setup(struct netpoll *np)
 	refill_skbs();
 
 	rtnl_lock();
-	err = __netpoll_setup(np, ndev);
+	err = __netpoll_setup(np, ndev, GFP_KERNEL);
 	rtnl_unlock();
 
 	if (err)
@@ -878,6 +895,24 @@ static int __init netpoll_init(void)
 }
 core_initcall(netpoll_init);
 
+static void rcu_cleanup_netpoll_info(struct rcu_head *rcu_head)
+{
+	struct netpoll_info *npinfo =
+			container_of(rcu_head, struct netpoll_info, rcu);
+
+	skb_queue_purge(&npinfo->arp_tx);
+	skb_queue_purge(&npinfo->txq);
+
+	/* we can't call cancel_delayed_work_sync here, as we are in softirq */
+	cancel_delayed_work(&npinfo->tx_work);
+
+	/* clean after last, unfinished work */
+	__skb_queue_purge(&npinfo->txq);
+	/* now cancel it again */
+	cancel_delayed_work(&npinfo->tx_work);
+	kfree(npinfo);
+}
+
 void __netpoll_cleanup(struct netpoll *np)
 {
 	struct netpoll_info *npinfo;
@@ -903,20 +938,24 @@ void __netpoll_cleanup(struct netpoll *np)
 			ops->ndo_netpoll_cleanup(np->dev);
 
 		RCU_INIT_POINTER(np->dev->npinfo, NULL);
+		call_rcu_bh(&npinfo->rcu, rcu_cleanup_netpoll_info);
+	}
+}
+EXPORT_SYMBOL_GPL(__netpoll_cleanup);
 
-		/* avoid racing with NAPI reading npinfo */
-		synchronize_rcu_bh();
+static void rcu_cleanup_netpoll(struct rcu_head *rcu_head)
+{
+	struct netpoll *np = container_of(rcu_head, struct netpoll, rcu);
 
-		skb_queue_purge(&npinfo->arp_tx);
-		skb_queue_purge(&npinfo->txq);
-		cancel_delayed_work_sync(&npinfo->tx_work);
+	__netpoll_cleanup(np);
+	kfree(np);
+}
 
-		/* clean after last, unfinished work */
-		__skb_queue_purge(&npinfo->txq);
-		kfree(npinfo);
-	}
+void __netpoll_free_rcu(struct netpoll *np)
+{
+	call_rcu_bh(&np->rcu, rcu_cleanup_netpoll);
 }
-EXPORT_SYMBOL_GPL(__netpoll_cleanup);
+EXPORT_SYMBOL_GPL(__netpoll_free_rcu);
 
 void netpoll_cleanup(struct netpoll *np)
 {
diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c
index ed0c0431fcd..c75e3f9d060 100644
--- a/net/core/netprio_cgroup.c
+++ b/net/core/netprio_cgroup.c
@@ -101,12 +101,10 @@ static int write_update_netdev_table(struct net_device *dev)
 	u32 max_len;
 	struct netprio_map *map;
 
-	rtnl_lock();
 	max_len = atomic_read(&max_prioidx) + 1;
 	map = rtnl_dereference(dev->priomap);
 	if (!map || map->priomap_len < max_len)
 		ret = extend_netdev_table(dev, max_len);
-	rtnl_unlock();
 
 	return ret;
 }
@@ -256,17 +254,17 @@ static int write_priomap(struct cgroup *cgrp, struct cftype *cft,
 	if (!dev)
 		goto out_free_devname;
 
+	rtnl_lock();
 	ret = write_update_netdev_table(dev);
 	if (ret < 0)
 		goto out_put_dev;
 
-	rcu_read_lock();
-	map = rcu_dereference(dev->priomap);
+	map = rtnl_dereference(dev->priomap);
 	if (map)
 		map->priomap[prioidx] = priority;
-	rcu_read_unlock();
 
 out_put_dev:
+	rtnl_unlock();
 	dev_put(dev);
 
 out_free_devname:
@@ -277,12 +275,6 @@ out_free_devname:
 void net_prio_attach(struct cgroup *cgrp, struct cgroup_taskset *tset)
 {
 	struct task_struct *p;
-	char *tmp = kzalloc(sizeof(char) * PATH_MAX, GFP_KERNEL);
-
-	if (!tmp) {
-		pr_warn("Unable to attach cgrp due to alloc failure!\n");
-		return;
-	}
 
 	cgroup_taskset_for_each(p, cgrp, tset) {
 		unsigned int fd;
@@ -296,32 +288,24 @@ void net_prio_attach(struct cgroup *cgrp, struct cgroup_taskset *tset)
 			continue;
 		}
 
-		rcu_read_lock();
+		spin_lock(&files->file_lock);
 		fdt = files_fdtable(files);
 		for (fd = 0; fd < fdt->max_fds; fd++) {
-			char *path;
 			struct file *file;
 			struct socket *sock;
-			unsigned long s;
-			int rv, err = 0;
+			int err;
 
 			file = fcheck_files(files, fd);
 			if (!file)
 				continue;
 
-			path = d_path(&file->f_path, tmp, PAGE_SIZE);
-			rv = sscanf(path, "socket:[%lu]", &s);
-			if (rv <= 0)
-				continue;
-
 			sock = sock_from_file(file, &err);
-			if (!err)
+			if (sock)
 				sock_update_netprioidx(sock->sk, p);
 		}
-		rcu_read_unlock();
+		spin_unlock(&files->file_lock);
 		task_unlock(p);
 	}
-	kfree(tmp);
 }
 
 static struct cftype ss_files[] = {
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index cce9e53528b..148e73d2c45 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2721,7 +2721,7 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev,
 	/* Eth + IPh + UDPh + mpls */
 	datalen = pkt_dev->cur_pkt_size - 14 - 20 - 8 -
 		  pkt_dev->pkt_overhead;
-	if (datalen < sizeof(struct pktgen_hdr))
+	if (datalen < 0 || datalen < sizeof(struct pktgen_hdr))
 		datalen = sizeof(struct pktgen_hdr);
 
 	udph->source = htons(pkt_dev->cur_udp_src);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 5ff949dc954..2c5a0a06c4c 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1381,6 +1381,7 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
 			goto errout;
 		send_addr_notify = 1;
 		modified = 1;
+		add_device_randomness(dev->dev_addr, dev->addr_len);
 	}
 
 	if (tb[IFLA_MTU]) {
diff --git a/net/core/scm.c b/net/core/scm.c
index 8f6ccfd68ef..040cebeed45 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -265,6 +265,7 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
 	for (i=0, cmfptr=(__force int __user *)CMSG_DATA(cm); i<fdmax;
 	     i++, cmfptr++)
 	{
+		struct socket *sock;
 		int new_fd;
 		err = security_file_receive(fp[i]);
 		if (err)
@@ -281,6 +282,9 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
 		}
 		/* Bump the usage count and install the file. */
 		get_file(fp[i]);
+		sock = sock_from_file(fp[i], &err);
+		if (sock)
+			sock_update_netprioidx(sock->sk, current);
 		fd_install(new_fd, fp[i]);
 	}
 
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 368f65c15e4..e33ebae519c 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -145,6 +145,43 @@ static void skb_under_panic(struct sk_buff *skb, int sz, void *here)
 	BUG();
 }
 
+
+/*
+ * kmalloc_reserve is a wrapper around kmalloc_node_track_caller that tells
+ * the caller if emergency pfmemalloc reserves are being used. If it is and
+ * the socket is later found to be SOCK_MEMALLOC then PFMEMALLOC reserves
+ * may be used. Otherwise, the packet data may be discarded until enough
+ * memory is free
+ */
+#define kmalloc_reserve(size, gfp, node, pfmemalloc) \
+	 __kmalloc_reserve(size, gfp, node, _RET_IP_, pfmemalloc)
+void *__kmalloc_reserve(size_t size, gfp_t flags, int node, unsigned long ip,
+			 bool *pfmemalloc)
+{
+	void *obj;
+	bool ret_pfmemalloc = false;
+
+	/*
+	 * Try a regular allocation, when that fails and we're not entitled
+	 * to the reserves, fail.
+	 */
+	obj = kmalloc_node_track_caller(size,
+					flags | __GFP_NOMEMALLOC | __GFP_NOWARN,
+					node);
+	if (obj || !(gfp_pfmemalloc_allowed(flags)))
+		goto out;
+
+	/* Try again but now we are using pfmemalloc reserves */
+	ret_pfmemalloc = true;
+	obj = kmalloc_node_track_caller(size, flags, node);
+
+out:
+	if (pfmemalloc)
+		*pfmemalloc = ret_pfmemalloc;
+
+	return obj;
+}
+
 /* 	Allocate a new skbuff. We do this ourselves so we can fill in a few
  *	'private' fields and also do memory statistics to find all the
  *	[BEEP] leaks.
@@ -155,8 +192,10 @@ static void skb_under_panic(struct sk_buff *skb, int sz, void *here)
  *	__alloc_skb	-	allocate a network buffer
  *	@size: size to allocate
  *	@gfp_mask: allocation mask
- *	@fclone: allocate from fclone cache instead of head cache
- *		and allocate a cloned (child) skb
+ *	@flags: If SKB_ALLOC_FCLONE is set, allocate from fclone cache
+ *		instead of head cache and allocate a cloned (child) skb.
+ *		If SKB_ALLOC_RX is set, __GFP_MEMALLOC will be used for
+ *		allocations in case the data is required for writeback
  *	@node: numa node to allocate memory on
  *
  *	Allocate a new &sk_buff. The returned buffer has no headroom and a
@@ -167,14 +206,19 @@ static void skb_under_panic(struct sk_buff *skb, int sz, void *here)
  *	%GFP_ATOMIC.
  */
 struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
-			    int fclone, int node)
+			    int flags, int node)
 {
 	struct kmem_cache *cache;
 	struct skb_shared_info *shinfo;
 	struct sk_buff *skb;
 	u8 *data;
+	bool pfmemalloc;
 
-	cache = fclone ? skbuff_fclone_cache : skbuff_head_cache;
+	cache = (flags & SKB_ALLOC_FCLONE)
+		? skbuff_fclone_cache : skbuff_head_cache;
+
+	if (sk_memalloc_socks() && (flags & SKB_ALLOC_RX))
+		gfp_mask |= __GFP_MEMALLOC;
 
 	/* Get the HEAD */
 	skb = kmem_cache_alloc_node(cache, gfp_mask & ~__GFP_DMA, node);
@@ -189,7 +233,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
 	 */
 	size = SKB_DATA_ALIGN(size);
 	size += SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
-	data = kmalloc_node_track_caller(size, gfp_mask, node);
+	data = kmalloc_reserve(size, gfp_mask, node, &pfmemalloc);
 	if (!data)
 		goto nodata;
 	/* kmalloc(size) might give us more room than requested.
@@ -207,6 +251,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
 	memset(skb, 0, offsetof(struct sk_buff, tail));
 	/* Account for allocated memory : skb + skb->head */
 	skb->truesize = SKB_TRUESIZE(size);
+	skb->pfmemalloc = pfmemalloc;
 	atomic_set(&skb->users, 1);
 	skb->head = data;
 	skb->data = data;
@@ -222,7 +267,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
 	atomic_set(&shinfo->dataref, 1);
 	kmemcheck_annotate_variable(shinfo->destructor_arg);
 
-	if (fclone) {
+	if (flags & SKB_ALLOC_FCLONE) {
 		struct sk_buff *child = skb + 1;
 		atomic_t *fclone_ref = (atomic_t *) (child + 1);
 
@@ -232,6 +277,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
 		atomic_set(fclone_ref, 1);
 
 		child->fclone = SKB_FCLONE_UNAVAILABLE;
+		child->pfmemalloc = pfmemalloc;
 	}
 out:
 	return skb;
@@ -302,14 +348,7 @@ static DEFINE_PER_CPU(struct netdev_alloc_cache, netdev_alloc_cache);
 
 #define NETDEV_PAGECNT_BIAS (PAGE_SIZE / SMP_CACHE_BYTES)
 
-/**
- * netdev_alloc_frag - allocate a page fragment
- * @fragsz: fragment size
- *
- * Allocates a frag from a page for receive buffer.
- * Uses GFP_ATOMIC allocations.
- */
-void *netdev_alloc_frag(unsigned int fragsz)
+static void *__netdev_alloc_frag(unsigned int fragsz, gfp_t gfp_mask)
 {
 	struct netdev_alloc_cache *nc;
 	void *data = NULL;
@@ -319,7 +358,7 @@ void *netdev_alloc_frag(unsigned int fragsz)
 	nc = &__get_cpu_var(netdev_alloc_cache);
 	if (unlikely(!nc->page)) {
 refill:
-		nc->page = alloc_page(GFP_ATOMIC | __GFP_COLD);
+		nc->page = alloc_page(gfp_mask);
 		if (unlikely(!nc->page))
 			goto end;
 recycle:
@@ -343,6 +382,18 @@ end:
 	local_irq_restore(flags);
 	return data;
 }
+
+/**
+ * netdev_alloc_frag - allocate a page fragment
+ * @fragsz: fragment size
+ *
+ * Allocates a frag from a page for receive buffer.
+ * Uses GFP_ATOMIC allocations.
+ */
+void *netdev_alloc_frag(unsigned int fragsz)
+{
+	return __netdev_alloc_frag(fragsz, GFP_ATOMIC | __GFP_COLD);
+}
 EXPORT_SYMBOL(netdev_alloc_frag);
 
 /**
@@ -366,7 +417,12 @@ struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
 			      SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
 
 	if (fragsz <= PAGE_SIZE && !(gfp_mask & (__GFP_WAIT | GFP_DMA))) {
-		void *data = netdev_alloc_frag(fragsz);
+		void *data;
+
+		if (sk_memalloc_socks())
+			gfp_mask |= __GFP_MEMALLOC;
+
+		data = __netdev_alloc_frag(fragsz, gfp_mask);
 
 		if (likely(data)) {
 			skb = build_skb(data, fragsz);
@@ -374,7 +430,8 @@ struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
 				put_page(virt_to_head_page(data));
 		}
 	} else {
-		skb = __alloc_skb(length + NET_SKB_PAD, gfp_mask, 0, NUMA_NO_NODE);
+		skb = __alloc_skb(length + NET_SKB_PAD, gfp_mask,
+				  SKB_ALLOC_RX, NUMA_NO_NODE);
 	}
 	if (likely(skb)) {
 		skb_reserve(skb, NET_SKB_PAD);
@@ -656,6 +713,7 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
 #if IS_ENABLED(CONFIG_IP_VS)
 	new->ipvs_property	= old->ipvs_property;
 #endif
+	new->pfmemalloc		= old->pfmemalloc;
 	new->protocol		= old->protocol;
 	new->mark		= old->mark;
 	new->skb_iif		= old->skb_iif;
@@ -814,6 +872,9 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask)
 		n->fclone = SKB_FCLONE_CLONE;
 		atomic_inc(fclone_ref);
 	} else {
+		if (skb_pfmemalloc(skb))
+			gfp_mask |= __GFP_MEMALLOC;
+
 		n = kmem_cache_alloc(skbuff_head_cache, gfp_mask);
 		if (!n)
 			return NULL;
@@ -850,6 +911,13 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
 	skb_shinfo(new)->gso_type = skb_shinfo(old)->gso_type;
 }
 
+static inline int skb_alloc_rx_flag(const struct sk_buff *skb)
+{
+	if (skb_pfmemalloc(skb))
+		return SKB_ALLOC_RX;
+	return 0;
+}
+
 /**
  *	skb_copy	-	create private copy of an sk_buff
  *	@skb: buffer to copy
@@ -871,7 +939,8 @@ struct sk_buff *skb_copy(const struct sk_buff *skb, gfp_t gfp_mask)
 {
 	int headerlen = skb_headroom(skb);
 	unsigned int size = skb_end_offset(skb) + skb->data_len;
-	struct sk_buff *n = alloc_skb(size, gfp_mask);
+	struct sk_buff *n = __alloc_skb(size, gfp_mask,
+					skb_alloc_rx_flag(skb), NUMA_NO_NODE);
 
 	if (!n)
 		return NULL;
@@ -906,7 +975,8 @@ EXPORT_SYMBOL(skb_copy);
 struct sk_buff *__pskb_copy(struct sk_buff *skb, int headroom, gfp_t gfp_mask)
 {
 	unsigned int size = skb_headlen(skb) + headroom;
-	struct sk_buff *n = alloc_skb(size, gfp_mask);
+	struct sk_buff *n = __alloc_skb(size, gfp_mask,
+					skb_alloc_rx_flag(skb), NUMA_NO_NODE);
 
 	if (!n)
 		goto out;
@@ -979,8 +1049,10 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
 
 	size = SKB_DATA_ALIGN(size);
 
-	data = kmalloc(size + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)),
-		       gfp_mask);
+	if (skb_pfmemalloc(skb))
+		gfp_mask |= __GFP_MEMALLOC;
+	data = kmalloc_reserve(size + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)),
+			       gfp_mask, NUMA_NO_NODE, NULL);
 	if (!data)
 		goto nodata;
 	size = SKB_WITH_OVERHEAD(ksize(data));
@@ -1092,8 +1164,9 @@ struct sk_buff *skb_copy_expand(const struct sk_buff *skb,
 	/*
 	 *	Allocate the copy buffer
 	 */
-	struct sk_buff *n = alloc_skb(newheadroom + skb->len + newtailroom,
-				      gfp_mask);
+	struct sk_buff *n = __alloc_skb(newheadroom + skb->len + newtailroom,
+					gfp_mask, skb_alloc_rx_flag(skb),
+					NUMA_NO_NODE);
 	int oldheadroom = skb_headroom(skb);
 	int head_copy_len, head_copy_off;
 	int off;
@@ -2775,8 +2848,9 @@ struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features)
 			skb_release_head_state(nskb);
 			__skb_push(nskb, doffset);
 		} else {
-			nskb = alloc_skb(hsize + doffset + headroom,
-					 GFP_ATOMIC);
+			nskb = __alloc_skb(hsize + doffset + headroom,
+					   GFP_ATOMIC, skb_alloc_rx_flag(skb),
+					   NUMA_NO_NODE);
 
 			if (unlikely(!nskb))
 				goto err;
@@ -3428,7 +3502,9 @@ bool skb_try_coalesce(struct sk_buff *to, struct sk_buff *from,
 	if (!skb_cloned(from))
 		skb_shinfo(from)->nr_frags = 0;
 
-	/* if the skb is cloned this does nothing since we set nr_frags to 0 */
+	/* if the skb is not cloned this does nothing
+	 * since we set nr_frags to 0.
+	 */
 	for (i = 0; i < skb_shinfo(from)->nr_frags; i++)
 		skb_frag_ref(from, i);
 
diff --git a/net/core/sock.c b/net/core/sock.c
index 2676a88f533..a6000fbad29 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -142,7 +142,7 @@
 static DEFINE_MUTEX(proto_list_mutex);
 static LIST_HEAD(proto_list);
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
+#ifdef CONFIG_MEMCG_KMEM
 int mem_cgroup_sockets_init(struct mem_cgroup *memcg, struct cgroup_subsys *ss)
 {
 	struct proto *proto;
@@ -271,6 +271,61 @@ __u32 sysctl_rmem_default __read_mostly = SK_RMEM_MAX;
 int sysctl_optmem_max __read_mostly = sizeof(unsigned long)*(2*UIO_MAXIOV+512);
 EXPORT_SYMBOL(sysctl_optmem_max);
 
+struct static_key memalloc_socks = STATIC_KEY_INIT_FALSE;
+EXPORT_SYMBOL_GPL(memalloc_socks);
+
+/**
+ * sk_set_memalloc - sets %SOCK_MEMALLOC
+ * @sk: socket to set it on
+ *
+ * Set %SOCK_MEMALLOC on a socket for access to emergency reserves.
+ * It's the responsibility of the admin to adjust min_free_kbytes
+ * to meet the requirements
+ */
+void sk_set_memalloc(struct sock *sk)
+{
+	sock_set_flag(sk, SOCK_MEMALLOC);
+	sk->sk_allocation |= __GFP_MEMALLOC;
+	static_key_slow_inc(&memalloc_socks);
+}
+EXPORT_SYMBOL_GPL(sk_set_memalloc);
+
+void sk_clear_memalloc(struct sock *sk)
+{
+	sock_reset_flag(sk, SOCK_MEMALLOC);
+	sk->sk_allocation &= ~__GFP_MEMALLOC;
+	static_key_slow_dec(&memalloc_socks);
+
+	/*
+	 * SOCK_MEMALLOC is allowed to ignore rmem limits to ensure forward
+	 * progress of swapping. However, if SOCK_MEMALLOC is cleared while
+	 * it has rmem allocations there is a risk that the user of the
+	 * socket cannot make forward progress due to exceeding the rmem
+	 * limits. By rights, sk_clear_memalloc() should only be called
+	 * on sockets being torn down but warn and reset the accounting if
+	 * that assumption breaks.
+	 */
+	if (WARN_ON(sk->sk_forward_alloc))
+		sk_mem_reclaim(sk);
+}
+EXPORT_SYMBOL_GPL(sk_clear_memalloc);
+
+int __sk_backlog_rcv(struct sock *sk, struct sk_buff *skb)
+{
+	int ret;
+	unsigned long pflags = current->flags;
+
+	/* these should have been dropped before queueing */
+	BUG_ON(!sock_flag(sk, SOCK_MEMALLOC));
+
+	current->flags |= PF_MEMALLOC;
+	ret = sk->sk_backlog_rcv(sk, skb);
+	tsk_restore_flags(current, pflags, PF_MEMALLOC);
+
+	return ret;
+}
+EXPORT_SYMBOL(__sk_backlog_rcv);
+
 #if defined(CONFIG_CGROUPS)
 #if !defined(CONFIG_NET_CLS_CGROUP)
 int net_cls_subsys_id = -1;
@@ -353,7 +408,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 	if (err)
 		return err;
 
-	if (!sk_rmem_schedule(sk, skb->truesize)) {
+	if (!sk_rmem_schedule(sk, skb, skb->truesize)) {
 		atomic_inc(&sk->sk_drops);
 		return -ENOBUFS;
 	}
@@ -636,7 +691,8 @@ set_rcvbuf:
 
 	case SO_KEEPALIVE:
 #ifdef CONFIG_INET
-		if (sk->sk_protocol == IPPROTO_TCP)
+		if (sk->sk_protocol == IPPROTO_TCP &&
+		    sk->sk_type == SOCK_STREAM)
 			tcp_set_keepalive(sk, valbool);
 #endif
 		sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool);
@@ -1403,6 +1459,7 @@ void sk_setup_caps(struct sock *sk, struct dst_entry *dst)
 		} else {
 			sk->sk_route_caps |= NETIF_F_SG | NETIF_F_HW_CSUM;
 			sk->sk_gso_max_size = dst->dev->gso_max_size;
+			sk->sk_gso_max_segs = dst->dev->gso_max_segs;
 		}
 	}
 }
@@ -1467,7 +1524,14 @@ EXPORT_SYMBOL(sock_rfree);
 
 void sock_edemux(struct sk_buff *skb)
 {
-	sock_put(skb->sk);
+	struct sock *sk = skb->sk;
+
+#ifdef CONFIG_INET
+	if (sk->sk_state == TCP_TIME_WAIT)
+		inet_twsk_put(inet_twsk(sk));
+	else
+#endif
+		sock_put(sk);
 }
 EXPORT_SYMBOL(sock_edemux);
 
diff --git a/net/dccp/ccid.h b/net/dccp/ccid.h
index 75c3582a767..fb85d371a8d 100644
--- a/net/dccp/ccid.h
+++ b/net/dccp/ccid.h
@@ -246,7 +246,7 @@ static inline int ccid_hc_rx_getsockopt(struct ccid *ccid, struct sock *sk,
 					u32 __user *optval, int __user *optlen)
 {
 	int rc = -ENOPROTOOPT;
-	if (ccid->ccid_ops->ccid_hc_rx_getsockopt != NULL)
+	if (ccid != NULL && ccid->ccid_ops->ccid_hc_rx_getsockopt != NULL)
 		rc = ccid->ccid_ops->ccid_hc_rx_getsockopt(sk, optname, len,
 						 optval, optlen);
 	return rc;
@@ -257,7 +257,7 @@ static inline int ccid_hc_tx_getsockopt(struct ccid *ccid, struct sock *sk,
 					u32 __user *optval, int __user *optlen)
 {
 	int rc = -ENOPROTOOPT;
-	if (ccid->ccid_ops->ccid_hc_tx_getsockopt != NULL)
+	if (ccid != NULL && ccid->ccid_ops->ccid_hc_tx_getsockopt != NULL)
 		rc = ccid->ccid_ops->ccid_hc_tx_getsockopt(sk, optname, len,
 						 optval, optlen);
 	return rc;
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index d65e98798ec..119c04317d4 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -535,6 +535,7 @@ static int ccid3_hc_tx_getsockopt(struct sock *sk, const int optname, int len,
 	case DCCP_SOCKOPT_CCID_TX_INFO:
 		if (len < sizeof(tfrc))
 			return -EINVAL;
+		memset(&tfrc, 0, sizeof(tfrc));
 		tfrc.tfrctx_x	   = hc->tx_x;
 		tfrc.tfrctx_x_recv = hc->tx_x_recv;
 		tfrc.tfrctx_x_calc = hc->tx_x_calc;
diff --git a/net/ipv4/Makefile b/net/ipv4/Makefile
index ae2ccf2890e..15ca63ec604 100644
--- a/net/ipv4/Makefile
+++ b/net/ipv4/Makefile
@@ -49,7 +49,7 @@ obj-$(CONFIG_TCP_CONG_SCALABLE) += tcp_scalable.o
 obj-$(CONFIG_TCP_CONG_LP) += tcp_lp.o
 obj-$(CONFIG_TCP_CONG_YEAH) += tcp_yeah.o
 obj-$(CONFIG_TCP_CONG_ILLINOIS) += tcp_illinois.o
-obj-$(CONFIG_CGROUP_MEM_RES_CTLR_KMEM) += tcp_memcontrol.o
+obj-$(CONFIG_MEMCG_KMEM) += tcp_memcontrol.o
 obj-$(CONFIG_NETLABEL) += cipso_ipv4.o
 
 obj-$(CONFIG_XFRM) += xfrm4_policy.o xfrm4_state.o xfrm4_input.o \
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 77e87aff419..47800459e4c 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -1225,7 +1225,7 @@ static int arp_netdev_event(struct notifier_block *this, unsigned long event,
 	switch (event) {
 	case NETDEV_CHANGEADDR:
 		neigh_changeaddr(&arp_tbl, dev);
-		rt_cache_flush(dev_net(dev), 0);
+		rt_cache_flush(dev_net(dev));
 		break;
 	default:
 		break;
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 44bf82e3aef..e12fad77385 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -725,7 +725,7 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
 		break;
 
 	case SIOCSIFFLAGS:
-		ret = -EACCES;
+		ret = -EPERM;
 		if (!capable(CAP_NET_ADMIN))
 			goto out;
 		break;
@@ -733,7 +733,7 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg)
 	case SIOCSIFBRDADDR:	/* Set the broadcast address */
 	case SIOCSIFDSTADDR:	/* Set the destination address */
 	case SIOCSIFNETMASK: 	/* Set the netmask for the interface */
-		ret = -EACCES;
+		ret = -EPERM;
 		if (!capable(CAP_NET_ADMIN))
 			goto out;
 		ret = -EINVAL;
@@ -1503,7 +1503,7 @@ static int devinet_conf_proc(ctl_table *ctl, int write,
 		if (i == IPV4_DEVCONF_ACCEPT_LOCAL - 1 ||
 		    i == IPV4_DEVCONF_ROUTE_LOCALNET - 1)
 			if ((new_value == 0) && (old_value != 0))
-				rt_cache_flush(net, 0);
+				rt_cache_flush(net);
 	}
 
 	return ret;
@@ -1537,7 +1537,7 @@ static int devinet_sysctl_forward(ctl_table *ctl, int write,
 				dev_disable_lro(idev->dev);
 			}
 			rtnl_unlock();
-			rt_cache_flush(net, 0);
+			rt_cache_flush(net);
 		}
 	}
 
@@ -1554,7 +1554,7 @@ static int ipv4_doint_and_flush(ctl_table *ctl, int write,
 	struct net *net = ctl->extra2;
 
 	if (write && *valp != val)
-		rt_cache_flush(net, 0);
+		rt_cache_flush(net);
 
 	return ret;
 }
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index c43ae3fba79..8e2b475da9f 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -148,7 +148,7 @@ static void fib_flush(struct net *net)
 	}
 
 	if (flushed)
-		rt_cache_flush(net, -1);
+		rt_cache_flush(net);
 }
 
 /*
@@ -999,11 +999,11 @@ static void nl_fib_lookup_exit(struct net *net)
 	net->ipv4.fibnl = NULL;
 }
 
-static void fib_disable_ip(struct net_device *dev, int force, int delay)
+static void fib_disable_ip(struct net_device *dev, int force)
 {
 	if (fib_sync_down_dev(dev, force))
 		fib_flush(dev_net(dev));
-	rt_cache_flush(dev_net(dev), delay);
+	rt_cache_flush(dev_net(dev));
 	arp_ifdown(dev);
 }
 
@@ -1020,7 +1020,7 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
 		fib_sync_up(dev);
 #endif
 		atomic_inc(&net->ipv4.dev_addr_genid);
-		rt_cache_flush(dev_net(dev), -1);
+		rt_cache_flush(dev_net(dev));
 		break;
 	case NETDEV_DOWN:
 		fib_del_ifaddr(ifa, NULL);
@@ -1029,9 +1029,9 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
 			/* Last address was deleted from this interface.
 			 * Disable IP.
 			 */
-			fib_disable_ip(dev, 1, 0);
+			fib_disable_ip(dev, 1);
 		} else {
-			rt_cache_flush(dev_net(dev), -1);
+			rt_cache_flush(dev_net(dev));
 		}
 		break;
 	}
@@ -1045,7 +1045,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
 	struct net *net = dev_net(dev);
 
 	if (event == NETDEV_UNREGISTER) {
-		fib_disable_ip(dev, 2, -1);
+		fib_disable_ip(dev, 2);
 		rt_flush_dev(dev);
 		return NOTIFY_DONE;
 	}
@@ -1062,14 +1062,14 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
 		fib_sync_up(dev);
 #endif
 		atomic_inc(&net->ipv4.dev_addr_genid);
-		rt_cache_flush(dev_net(dev), -1);
+		rt_cache_flush(dev_net(dev));
 		break;
 	case NETDEV_DOWN:
-		fib_disable_ip(dev, 0, 0);
+		fib_disable_ip(dev, 0);
 		break;
 	case NETDEV_CHANGEMTU:
 	case NETDEV_CHANGE:
-		rt_cache_flush(dev_net(dev), 0);
+		rt_cache_flush(dev_net(dev));
 		break;
 	case NETDEV_UNREGISTER_BATCH:
 		break;
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index a83d74e498d..274309d3ade 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -259,7 +259,7 @@ static size_t fib4_rule_nlmsg_payload(struct fib_rule *rule)
 
 static void fib4_rule_flush_cache(struct fib_rules_ops *ops)
 {
-	rt_cache_flush(ops->fro_net, -1);
+	rt_cache_flush(ops->fro_net);
 }
 
 static const struct fib_rules_ops __net_initdata fib4_rules_ops_template = {
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index f0cdb30921c..d1b93595b4a 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -367,7 +367,7 @@ static void __leaf_free_rcu(struct rcu_head *head)
 
 static inline void free_leaf(struct leaf *l)
 {
-	call_rcu_bh(&l->rcu, __leaf_free_rcu);
+	call_rcu(&l->rcu, __leaf_free_rcu);
 }
 
 static inline void free_leaf_info(struct leaf_info *leaf)
@@ -1286,7 +1286,7 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
 
 			fib_release_info(fi_drop);
 			if (state & FA_S_ACCESSED)
-				rt_cache_flush(cfg->fc_nlinfo.nl_net, -1);
+				rt_cache_flush(cfg->fc_nlinfo.nl_net);
 			rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen,
 				tb->tb_id, &cfg->fc_nlinfo, NLM_F_REPLACE);
 
@@ -1333,7 +1333,7 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
 	list_add_tail_rcu(&new_fa->fa_list,
 			  (fa ? &fa->fa_list : fa_head));
 
-	rt_cache_flush(cfg->fc_nlinfo.nl_net, -1);
+	rt_cache_flush(cfg->fc_nlinfo.nl_net);
 	rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen, tb->tb_id,
 		  &cfg->fc_nlinfo, 0);
 succeeded:
@@ -1708,7 +1708,7 @@ int fib_table_delete(struct fib_table *tb, struct fib_config *cfg)
 		trie_leaf_remove(t, l);
 
 	if (fa->fa_state & FA_S_ACCESSED)
-		rt_cache_flush(cfg->fc_nlinfo.nl_net, -1);
+		rt_cache_flush(cfg->fc_nlinfo.nl_net);
 
 	fib_release_info(fa->fa_info);
 	alias_free_mem_rcu(fa);
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index db0cf17c00f..7f75f21d7b8 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -404,12 +404,15 @@ struct dst_entry *inet_csk_route_child_sock(struct sock *sk,
 {
 	const struct inet_request_sock *ireq = inet_rsk(req);
 	struct inet_sock *newinet = inet_sk(newsk);
-	struct ip_options_rcu *opt = ireq->opt;
+	struct ip_options_rcu *opt;
 	struct net *net = sock_net(sk);
 	struct flowi4 *fl4;
 	struct rtable *rt;
 
 	fl4 = &newinet->cork.fl.u.ip4;
+
+	rcu_read_lock();
+	opt = rcu_dereference(newinet->inet_opt);
 	flowi4_init_output(fl4, sk->sk_bound_dev_if, sk->sk_mark,
 			   RT_CONN_FLAGS(sk), RT_SCOPE_UNIVERSE,
 			   sk->sk_protocol, inet_sk_flowi_flags(sk),
@@ -421,11 +424,13 @@ struct dst_entry *inet_csk_route_child_sock(struct sock *sk,
 		goto no_route;
 	if (opt && opt->opt.is_strictroute && rt->rt_gateway)
 		goto route_err;
+	rcu_read_unlock();
 	return &rt->dst;
 
 route_err:
 	ip_rt_put(rt);
 no_route:
+	rcu_read_unlock();
 	IP_INC_STATS_BH(net, IPSTATS_MIB_OUTNOROUTES);
 	return NULL;
 }
diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index e1e0a4e8fd3..c7527f6b9ad 100644
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -510,7 +510,10 @@ relookup:
 					secure_ipv6_id(daddr->addr.a6));
 		p->metrics[RTAX_LOCK-1] = INETPEER_METRICS_NEW;
 		p->rate_tokens = 0;
-		p->rate_last = 0;
+		/* 60*HZ is arbitrary, but chosen enough high so that the first
+		 * calculation of tokens is at its maximum.
+		 */
+		p->rate_last = jiffies - 60*HZ;
 		INIT_LIST_HEAD(&p->gc_list);
 
 		/* Link the node. */
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index ba39a52d18c..c196d749daf 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -197,7 +197,7 @@ static inline int ip_finish_output2(struct sk_buff *skb)
 	neigh = __ipv4_neigh_lookup_noref(dev, nexthop);
 	if (unlikely(!neigh))
 		neigh = __neigh_create(&arp_tbl, &nexthop, dev, false);
-	if (neigh) {
+	if (!IS_ERR(neigh)) {
 		int res = dst_neigh_output(dst, neigh, skb);
 
 		rcu_read_unlock_bh();
@@ -1338,10 +1338,10 @@ struct sk_buff *__ip_make_skb(struct sock *sk,
 	iph->ihl = 5;
 	iph->tos = inet->tos;
 	iph->frag_off = df;
-	ip_select_ident(iph, &rt->dst, sk);
 	iph->ttl = ttl;
 	iph->protocol = sk->sk_protocol;
 	ip_copy_addrs(iph, fl4);
+	ip_select_ident(iph, &rt->dst, sk);
 
 	if (opt) {
 		iph->ihl += opt->optlen>>2;
@@ -1366,9 +1366,8 @@ out:
 	return skb;
 }
 
-int ip_send_skb(struct sk_buff *skb)
+int ip_send_skb(struct net *net, struct sk_buff *skb)
 {
-	struct net *net = sock_net(skb->sk);
 	int err;
 
 	err = ip_local_out(skb);
@@ -1391,7 +1390,7 @@ int ip_push_pending_frames(struct sock *sk, struct flowi4 *fl4)
 		return 0;
 
 	/* Netfilter gets whole the not fragmented skb. */
-	return ip_send_skb(skb);
+	return ip_send_skb(sock_net(sk), skb);
 }
 
 /*
@@ -1536,6 +1535,7 @@ void ip_send_unicast_reply(struct net *net, struct sk_buff *skb, __be32 daddr,
 			  arg->csumoffset) = csum_fold(csum_add(nskb->csum,
 								arg->csum));
 		nskb->ip_summed = CHECKSUM_NONE;
+		skb_orphan(nskb);
 		skb_set_queue_mapping(nskb, skb_get_queue_mapping(skb));
 		ip_push_pending_frames(sk, &fl4);
 	}
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 8eec8f4a053..ebdf06f938b 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -124,6 +124,8 @@ static DEFINE_SPINLOCK(mfc_unres_lock);
 static struct kmem_cache *mrt_cachep __read_mostly;
 
 static struct mr_table *ipmr_new_table(struct net *net, u32 id);
+static void ipmr_free_table(struct mr_table *mrt);
+
 static int ip_mr_forward(struct net *net, struct mr_table *mrt,
 			 struct sk_buff *skb, struct mfc_cache *cache,
 			 int local);
@@ -131,6 +133,7 @@ static int ipmr_cache_report(struct mr_table *mrt,
 			     struct sk_buff *pkt, vifi_t vifi, int assert);
 static int __ipmr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb,
 			      struct mfc_cache *c, struct rtmsg *rtm);
+static void mroute_clean_tables(struct mr_table *mrt);
 static void ipmr_expire_process(unsigned long arg);
 
 #ifdef CONFIG_IP_MROUTE_MULTIPLE_TABLES
@@ -271,7 +274,7 @@ static void __net_exit ipmr_rules_exit(struct net *net)
 
 	list_for_each_entry_safe(mrt, next, &net->ipv4.mr_tables, list) {
 		list_del(&mrt->list);
-		kfree(mrt);
+		ipmr_free_table(mrt);
 	}
 	fib_rules_unregister(net->ipv4.mr_rules_ops);
 }
@@ -299,7 +302,7 @@ static int __net_init ipmr_rules_init(struct net *net)
 
 static void __net_exit ipmr_rules_exit(struct net *net)
 {
-	kfree(net->ipv4.mrt);
+	ipmr_free_table(net->ipv4.mrt);
 }
 #endif
 
@@ -336,6 +339,13 @@ static struct mr_table *ipmr_new_table(struct net *net, u32 id)
 	return mrt;
 }
 
+static void ipmr_free_table(struct mr_table *mrt)
+{
+	del_timer_sync(&mrt->ipmr_expire_timer);
+	mroute_clean_tables(mrt);
+	kfree(mrt);
+}
+
 /* Service routines creating virtual interfaces: DVMRP tunnels and PIMREG */
 
 static void ipmr_del_tunnel(struct net_device *dev, struct vifctl *v)
diff --git a/net/ipv4/netfilter/nf_nat_sip.c b/net/ipv4/netfilter/nf_nat_sip.c
index ea4a23813d2..9c87cde28ff 100644
--- a/net/ipv4/netfilter/nf_nat_sip.c
+++ b/net/ipv4/netfilter/nf_nat_sip.c
@@ -148,7 +148,7 @@ static unsigned int ip_nat_sip(struct sk_buff *skb, unsigned int dataoff,
 	if (ct_sip_parse_header_uri(ct, *dptr, NULL, *datalen,
 				    hdr, NULL, &matchoff, &matchlen,
 				    &addr, &port) > 0) {
-		unsigned int matchend, poff, plen, buflen, n;
+		unsigned int olen, matchend, poff, plen, buflen, n;
 		char buffer[sizeof("nnn.nnn.nnn.nnn:nnnnn")];
 
 		/* We're only interested in headers related to this
@@ -163,17 +163,18 @@ static unsigned int ip_nat_sip(struct sk_buff *skb, unsigned int dataoff,
 				goto next;
 		}
 
+		olen = *datalen;
 		if (!map_addr(skb, dataoff, dptr, datalen, matchoff, matchlen,
 			      &addr, port))
 			return NF_DROP;
 
-		matchend = matchoff + matchlen;
+		matchend = matchoff + matchlen + *datalen - olen;
 
 		/* The maddr= parameter (RFC 2361) specifies where to send
 		 * the reply. */
 		if (ct_sip_parse_address_param(ct, *dptr, matchend, *datalen,
 					       "maddr=", &poff, &plen,
-					       &addr) > 0 &&
+					       &addr, true) > 0 &&
 		    addr.ip == ct->tuplehash[dir].tuple.src.u3.ip &&
 		    addr.ip != ct->tuplehash[!dir].tuple.dst.u3.ip) {
 			buflen = sprintf(buffer, "%pI4",
@@ -187,7 +188,7 @@ static unsigned int ip_nat_sip(struct sk_buff *skb, unsigned int dataoff,
 		 * from which the server received the request. */
 		if (ct_sip_parse_address_param(ct, *dptr, matchend, *datalen,
 					       "received=", &poff, &plen,
-					       &addr) > 0 &&
+					       &addr, false) > 0 &&
 		    addr.ip == ct->tuplehash[dir].tuple.dst.u3.ip &&
 		    addr.ip != ct->tuplehash[!dir].tuple.src.u3.ip) {
 			buflen = sprintf(buffer, "%pI4",
@@ -501,7 +502,10 @@ static unsigned int ip_nat_sdp_media(struct sk_buff *skb, unsigned int dataoff,
 		ret = nf_ct_expect_related(rtcp_exp);
 		if (ret == 0)
 			break;
-		else if (ret != -EBUSY) {
+		else if (ret == -EBUSY) {
+			nf_ct_unexpect_related(rtp_exp);
+			continue;
+		} else if (ret < 0) {
 			nf_ct_unexpect_related(rtp_exp);
 			port = 0;
 			break;
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index ff0f071969e..d23c6571ba1 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -131,18 +131,20 @@ found:
  *	0 - deliver
  *	1 - block
  */
-static __inline__ int icmp_filter(struct sock *sk, struct sk_buff *skb)
+static int icmp_filter(const struct sock *sk, const struct sk_buff *skb)
 {
-	int type;
+	struct icmphdr _hdr;
+	const struct icmphdr *hdr;
 
-	if (!pskb_may_pull(skb, sizeof(struct icmphdr)))
+	hdr = skb_header_pointer(skb, skb_transport_offset(skb),
+				 sizeof(_hdr), &_hdr);
+	if (!hdr)
 		return 1;
 
-	type = icmp_hdr(skb)->type;
-	if (type < 32) {
+	if (hdr->type < 32) {
 		__u32 data = raw_sk(sk)->filter.data;
 
-		return ((1 << type) & data) != 0;
+		return ((1U << hdr->type) & data) != 0;
 	}
 
 	/* Do not block unknown ICMP types */
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index c035251beb0..fd9af60397b 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -70,7 +70,6 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
-#include <linux/bootmem.h>
 #include <linux/string.h>
 #include <linux/socket.h>
 #include <linux/sockios.h>
@@ -80,7 +79,6 @@
 #include <linux/netdevice.h>
 #include <linux/proc_fs.h>
 #include <linux/init.h>
-#include <linux/workqueue.h>
 #include <linux/skbuff.h>
 #include <linux/inetdevice.h>
 #include <linux/igmp.h>
@@ -88,11 +86,9 @@
 #include <linux/mroute.h>
 #include <linux/netfilter_ipv4.h>
 #include <linux/random.h>
-#include <linux/jhash.h>
 #include <linux/rcupdate.h>
 #include <linux/times.h>
 #include <linux/slab.h>
-#include <linux/prefetch.h>
 #include <net/dst.h>
 #include <net/net_namespace.h>
 #include <net/protocol.h>
@@ -206,11 +202,6 @@ EXPORT_SYMBOL(ip_tos2prio);
 static DEFINE_PER_CPU(struct rt_cache_stat, rt_cache_stat);
 #define RT_CACHE_STAT_INC(field) __this_cpu_inc(rt_cache_stat.field)
 
-static inline int rt_genid(struct net *net)
-{
-	return atomic_read(&net->ipv4.rt_genid);
-}
-
 #ifdef CONFIG_PROC_FS
 static void *rt_cache_seq_start(struct seq_file *seq, loff_t *pos)
 {
@@ -451,27 +442,9 @@ static inline bool rt_is_expired(const struct rtable *rth)
 	return rth->rt_genid != rt_genid(dev_net(rth->dst.dev));
 }
 
-/*
- * Perturbation of rt_genid by a small quantity [1..256]
- * Using 8 bits of shuffling ensure we can call rt_cache_invalidate()
- * many times (2^24) without giving recent rt_genid.
- * Jenkins hash is strong enough that litle changes of rt_genid are OK.
- */
-static void rt_cache_invalidate(struct net *net)
-{
-	unsigned char shuffle;
-
-	get_random_bytes(&shuffle, sizeof(shuffle));
-	atomic_add(shuffle + 1U, &net->ipv4.rt_genid);
-}
-
-/*
- * delay < 0  : invalidate cache (fast : entries will be deleted later)
- * delay >= 0 : invalidate & flush cache (can be long)
- */
-void rt_cache_flush(struct net *net, int delay)
+void rt_cache_flush(struct net *net)
 {
-	rt_cache_invalidate(net);
+	rt_genid_bump(net);
 }
 
 static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst,
@@ -938,12 +911,14 @@ static u32 __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)
 	if (mtu < ip_rt_min_pmtu)
 		mtu = ip_rt_min_pmtu;
 
+	rcu_read_lock();
 	if (fib_lookup(dev_net(rt->dst.dev), fl4, &res) == 0) {
 		struct fib_nh *nh = &FIB_RES_NH(res);
 
 		update_or_create_fnhe(nh, fl4->daddr, 0, mtu,
 				      jiffies + ip_rt_mtu_expires);
 	}
+	rcu_read_unlock();
 	return mtu;
 }
 
@@ -960,7 +935,7 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, struct sock *sk,
 		dst->obsolete = DST_OBSOLETE_KILL;
 	} else {
 		rt->rt_pmtu = mtu;
-		dst_set_expires(&rt->dst, ip_rt_mtu_expires);
+		rt->dst.expires = max(1UL, jiffies + ip_rt_mtu_expires);
 	}
 }
 
@@ -1267,7 +1242,7 @@ static void ipv4_dst_destroy(struct dst_entry *dst)
 {
 	struct rtable *rt = (struct rtable *) dst;
 
-	if (dst->flags & DST_NOCACHE) {
+	if (!list_empty(&rt->rt_uncached)) {
 		spin_lock_bh(&rt_uncached_lock);
 		list_del(&rt->rt_uncached);
 		spin_unlock_bh(&rt_uncached_lock);
@@ -2032,7 +2007,6 @@ struct rtable *__ip_route_output_key(struct net *net, struct flowi4 *fl4)
 		}
 		dev_out = net->loopback_dev;
 		fl4->flowi4_oif = dev_out->ifindex;
-		res.fi = NULL;
 		flags |= RTCF_LOCAL;
 		goto make_route;
 	}
@@ -2348,7 +2322,7 @@ int ip_rt_dump(struct sk_buff *skb,  struct netlink_callback *cb)
 
 void ip_rt_multicast_event(struct in_device *in_dev)
 {
-	rt_cache_flush(dev_net(in_dev->dev), 0);
+	rt_cache_flush(dev_net(in_dev->dev));
 }
 
 #ifdef CONFIG_SYSCTL
@@ -2357,16 +2331,7 @@ static int ipv4_sysctl_rtcache_flush(ctl_table *__ctl, int write,
 					size_t *lenp, loff_t *ppos)
 {
 	if (write) {
-		int flush_delay;
-		ctl_table ctl;
-		struct net *net;
-
-		memcpy(&ctl, __ctl, sizeof(ctl));
-		ctl.data = &flush_delay;
-		proc_dointvec(&ctl, write, buffer, lenp, ppos);
-
-		net = (struct net *)__ctl->extra1;
-		rt_cache_flush(net, flush_delay);
+		rt_cache_flush((struct net *)__ctl->extra1);
 		return 0;
 	}
 
@@ -2536,8 +2501,7 @@ static __net_initdata struct pernet_operations sysctl_route_ops = {
 
 static __net_init int rt_genid_init(struct net *net)
 {
-	get_random_bytes(&net->ipv4.rt_genid,
-			 sizeof(net->ipv4.rt_genid));
+	atomic_set(&net->rt_genid, 0);
 	get_random_bytes(&net->ipv4.dev_addr_genid,
 			 sizeof(net->ipv4.dev_addr_genid));
 	return 0;
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 4b6487a6827..1b5ce96707a 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -184,7 +184,7 @@ static int ipv4_tcp_mem(ctl_table *ctl, int write,
 	int ret;
 	unsigned long vec[3];
 	struct net *net = current->nsproxy->net_ns;
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
+#ifdef CONFIG_MEMCG_KMEM
 	struct mem_cgroup *memcg;
 #endif
 
@@ -203,7 +203,7 @@ static int ipv4_tcp_mem(ctl_table *ctl, int write,
 	if (ret)
 		return ret;
 
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
+#ifdef CONFIG_MEMCG_KMEM
 	rcu_read_lock();
 	memcg = mem_cgroup_from_task(current);
 
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index e7e6eeae49c..5f641934182 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -811,7 +811,9 @@ static unsigned int tcp_xmit_size_goal(struct sock *sk, u32 mss_now,
 			   old_size_goal + mss_now > xmit_size_goal)) {
 			xmit_size_goal = old_size_goal;
 		} else {
-			tp->xmit_size_goal_segs = xmit_size_goal / mss_now;
+			tp->xmit_size_goal_segs =
+				min_t(u16, xmit_size_goal / mss_now,
+				      sk->sk_gso_max_segs);
 			xmit_size_goal = tp->xmit_size_goal_segs * mss_now;
 		}
 	}
@@ -1760,8 +1762,14 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 		}
 
 #ifdef CONFIG_NET_DMA
-		if (tp->ucopy.dma_chan)
-			dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+		if (tp->ucopy.dma_chan) {
+			if (tp->rcv_wnd == 0 &&
+			    !skb_queue_empty(&sk->sk_async_wait_queue)) {
+				tcp_service_net_dma(sk, true);
+				tcp_cleanup_rbuf(sk, copied);
+			} else
+				dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+		}
 #endif
 		if (copied >= target) {
 			/* Do not sleep, just process backlog. */
@@ -2323,10 +2331,17 @@ static int tcp_repair_options_est(struct tcp_sock *tp,
 			tp->rx_opt.mss_clamp = opt.opt_val;
 			break;
 		case TCPOPT_WINDOW:
-			if (opt.opt_val > 14)
-				return -EFBIG;
+			{
+				u16 snd_wscale = opt.opt_val & 0xFFFF;
+				u16 rcv_wscale = opt.opt_val >> 16;
+
+				if (snd_wscale > 14 || rcv_wscale > 14)
+					return -EFBIG;
 
-			tp->rx_opt.snd_wscale = opt.opt_val;
+				tp->rx_opt.snd_wscale = snd_wscale;
+				tp->rx_opt.rcv_wscale = rcv_wscale;
+				tp->rx_opt.wscale_ok = 1;
+			}
 			break;
 		case TCPOPT_SACK_PERM:
 			if (opt.opt_val != 0)
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 4d4db16e336..1432cdb0644 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -291,7 +291,8 @@ bool tcp_is_cwnd_limited(const struct sock *sk, u32 in_flight)
 	left = tp->snd_cwnd - in_flight;
 	if (sk_can_gso(sk) &&
 	    left * sysctl_tcp_tso_win_divisor < tp->snd_cwnd &&
-	    left * tp->mss_cache < sk->sk_gso_max_size)
+	    left * tp->mss_cache < sk->sk_gso_max_size &&
+	    left < sk->sk_gso_max_segs)
 		return true;
 	return left <= tcp_max_tso_deferred_mss(tp);
 }
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 9be30b039ae..d377f4854cb 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2926,13 +2926,14 @@ static void tcp_enter_recovery(struct sock *sk, bool ece_ack)
  * tcp_xmit_retransmit_queue().
  */
 static void tcp_fastretrans_alert(struct sock *sk, int pkts_acked,
-				  int newly_acked_sacked, bool is_dupack,
+				  int prior_sacked, bool is_dupack,
 				  int flag)
 {
 	struct inet_connection_sock *icsk = inet_csk(sk);
 	struct tcp_sock *tp = tcp_sk(sk);
 	int do_lost = is_dupack || ((flag & FLAG_DATA_SACKED) &&
 				    (tcp_fackets_out(tp) > tp->reordering));
+	int newly_acked_sacked = 0;
 	int fast_rexmit = 0;
 
 	if (WARN_ON(!tp->packets_out && tp->sacked_out))
@@ -2992,6 +2993,7 @@ static void tcp_fastretrans_alert(struct sock *sk, int pkts_acked,
 				tcp_add_reno_sack(sk);
 		} else
 			do_lost = tcp_try_undo_partial(sk, pkts_acked);
+		newly_acked_sacked = pkts_acked + tp->sacked_out - prior_sacked;
 		break;
 	case TCP_CA_Loss:
 		if (flag & FLAG_DATA_ACKED)
@@ -3013,6 +3015,7 @@ static void tcp_fastretrans_alert(struct sock *sk, int pkts_acked,
 			if (is_dupack)
 				tcp_add_reno_sack(sk);
 		}
+		newly_acked_sacked = pkts_acked + tp->sacked_out - prior_sacked;
 
 		if (icsk->icsk_ca_state <= TCP_CA_Disorder)
 			tcp_try_undo_dsack(sk);
@@ -3590,7 +3593,6 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
 	int prior_packets;
 	int prior_sacked = tp->sacked_out;
 	int pkts_acked = 0;
-	int newly_acked_sacked = 0;
 	bool frto_cwnd = false;
 
 	/* If the ack is older than previous acks
@@ -3666,8 +3668,6 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
 	flag |= tcp_clean_rtx_queue(sk, prior_fackets, prior_snd_una);
 
 	pkts_acked = prior_packets - tp->packets_out;
-	newly_acked_sacked = (prior_packets - prior_sacked) -
-			     (tp->packets_out - tp->sacked_out);
 
 	if (tp->frto_counter)
 		frto_cwnd = tcp_process_frto(sk, flag);
@@ -3681,7 +3681,7 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
 		    tcp_may_raise_cwnd(sk, flag))
 			tcp_cong_avoid(sk, ack, prior_in_flight);
 		is_dupack = !(flag & (FLAG_SND_UNA_ADVANCED | FLAG_NOT_DUP));
-		tcp_fastretrans_alert(sk, pkts_acked, newly_acked_sacked,
+		tcp_fastretrans_alert(sk, pkts_acked, prior_sacked,
 				      is_dupack, flag);
 	} else {
 		if ((flag & FLAG_DATA_ACKED) && !frto_cwnd)
@@ -3698,7 +3698,7 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
 no_queue:
 	/* If data was DSACKed, see if we can undo a cwnd reduction. */
 	if (flag & FLAG_DSACKING_ACK)
-		tcp_fastretrans_alert(sk, pkts_acked, newly_acked_sacked,
+		tcp_fastretrans_alert(sk, pkts_acked, prior_sacked,
 				      is_dupack, flag);
 	/* If this ack opens up a zero window, clear backoff.  It was
 	 * being used to time the probes, and is probably far higher than
@@ -3718,8 +3718,7 @@ old_ack:
 	 */
 	if (TCP_SKB_CB(skb)->sacked) {
 		flag |= tcp_sacktag_write_queue(sk, skb, prior_snd_una);
-		newly_acked_sacked = tp->sacked_out - prior_sacked;
-		tcp_fastretrans_alert(sk, pkts_acked, newly_acked_sacked,
+		tcp_fastretrans_alert(sk, pkts_acked, prior_sacked,
 				      is_dupack, flag);
 	}
 
@@ -4351,19 +4350,20 @@ static void tcp_ofo_queue(struct sock *sk)
 static bool tcp_prune_ofo_queue(struct sock *sk);
 static int tcp_prune_queue(struct sock *sk);
 
-static int tcp_try_rmem_schedule(struct sock *sk, unsigned int size)
+static int tcp_try_rmem_schedule(struct sock *sk, struct sk_buff *skb,
+				 unsigned int size)
 {
 	if (atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf ||
-	    !sk_rmem_schedule(sk, size)) {
+	    !sk_rmem_schedule(sk, skb, size)) {
 
 		if (tcp_prune_queue(sk) < 0)
 			return -1;
 
-		if (!sk_rmem_schedule(sk, size)) {
+		if (!sk_rmem_schedule(sk, skb, size)) {
 			if (!tcp_prune_ofo_queue(sk))
 				return -1;
 
-			if (!sk_rmem_schedule(sk, size))
+			if (!sk_rmem_schedule(sk, skb, size))
 				return -1;
 		}
 	}
@@ -4418,7 +4418,7 @@ static void tcp_data_queue_ofo(struct sock *sk, struct sk_buff *skb)
 
 	TCP_ECN_check_ce(tp, skb);
 
-	if (unlikely(tcp_try_rmem_schedule(sk, skb->truesize))) {
+	if (unlikely(tcp_try_rmem_schedule(sk, skb, skb->truesize))) {
 		NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPOFODROP);
 		__kfree_skb(skb);
 		return;
@@ -4552,17 +4552,17 @@ static int __must_check tcp_queue_rcv(struct sock *sk, struct sk_buff *skb, int
 
 int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size)
 {
-	struct sk_buff *skb;
+	struct sk_buff *skb = NULL;
 	struct tcphdr *th;
 	bool fragstolen;
 
-	if (tcp_try_rmem_schedule(sk, size + sizeof(*th)))
-		goto err;
-
 	skb = alloc_skb(size + sizeof(*th), sk->sk_allocation);
 	if (!skb)
 		goto err;
 
+	if (tcp_try_rmem_schedule(sk, skb, size + sizeof(*th)))
+		goto err_free;
+
 	th = (struct tcphdr *)skb_put(skb, sizeof(*th));
 	skb_reset_transport_header(skb);
 	memset(th, 0, sizeof(*th));
@@ -4633,7 +4633,7 @@ static void tcp_data_queue(struct sock *sk, struct sk_buff *skb)
 		if (eaten <= 0) {
 queue_and_out:
 			if (eaten < 0 &&
-			    tcp_try_rmem_schedule(sk, skb->truesize))
+			    tcp_try_rmem_schedule(sk, skb, skb->truesize))
 				goto drop;
 
 			eaten = tcp_queue_rcv(sk, skb, 0, &fragstolen);
@@ -4661,7 +4661,7 @@ queue_and_out:
 
 		if (eaten > 0)
 			kfree_skb_partial(skb, fragstolen);
-		else if (!sock_flag(sk, SOCK_DEAD))
+		if (!sock_flag(sk, SOCK_DEAD))
 			sk->sk_data_ready(sk, 0);
 		return;
 	}
@@ -5391,6 +5391,8 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 
+	if (unlikely(sk->sk_rx_dst == NULL))
+		inet_csk(sk)->icsk_af_ops->sk_rx_dst_set(sk, skb);
 	/*
 	 *	Header prediction.
 	 *	The code loosely follows the one in the famous
@@ -5554,8 +5556,7 @@ no_ack:
 #endif
 			if (eaten)
 				kfree_skb_partial(skb, fragstolen);
-			else
-				sk->sk_data_ready(sk, 0);
+			sk->sk_data_ready(sk, 0);
 			return 0;
 		}
 	}
@@ -5604,7 +5605,7 @@ void tcp_finish_connect(struct sock *sk, struct sk_buff *skb)
 	tcp_set_state(sk, TCP_ESTABLISHED);
 
 	if (skb != NULL) {
-		inet_sk_rx_dst_set(sk, skb);
+		icsk->icsk_af_ops->sk_rx_dst_set(sk, skb);
 		security_inet_conn_established(sk, skb);
 	}
 
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 7f91e5ac827..00a748d1406 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -417,10 +417,12 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
 
 		if (code == ICMP_FRAG_NEEDED) { /* PMTU discovery (RFC1191) */
 			tp->mtu_info = info;
-			if (!sock_owned_by_user(sk))
+			if (!sock_owned_by_user(sk)) {
 				tcp_v4_mtu_reduced(sk);
-			else
-				set_bit(TCP_MTU_REDUCED_DEFERRED, &tp->tsq_flags);
+			} else {
+				if (!test_and_set_bit(TCP_MTU_REDUCED_DEFERRED, &tp->tsq_flags))
+					sock_hold(sk);
+			}
 			goto out;
 		}
 
@@ -1462,6 +1464,7 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 		goto exit_nonewsk;
 
 	newsk->sk_gso_type = SKB_GSO_TCPV4;
+	inet_sk_rx_dst_set(newsk, skb);
 
 	newtp		      = tcp_sk(newsk);
 	newinet		      = inet_sk(newsk);
@@ -1627,9 +1630,6 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
 				sk->sk_rx_dst = NULL;
 			}
 		}
-		if (unlikely(sk->sk_rx_dst == NULL))
-			inet_sk_rx_dst_set(sk, skb);
-
 		if (tcp_rcv_established(sk, skb, tcp_hdr(skb), skb->len)) {
 			rsk = sk;
 			goto reset;
@@ -1872,10 +1872,21 @@ static struct timewait_sock_ops tcp_timewait_sock_ops = {
 	.twsk_destructor= tcp_twsk_destructor,
 };
 
+void inet_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb)
+{
+	struct dst_entry *dst = skb_dst(skb);
+
+	dst_hold(dst);
+	sk->sk_rx_dst = dst;
+	inet_sk(sk)->rx_dst_ifindex = skb->skb_iif;
+}
+EXPORT_SYMBOL(inet_sk_rx_dst_set);
+
 const struct inet_connection_sock_af_ops ipv4_specific = {
 	.queue_xmit	   = ip_queue_xmit,
 	.send_check	   = tcp_v4_send_check,
 	.rebuild_header	   = inet_sk_rebuild_header,
+	.sk_rx_dst_set	   = inet_sk_rx_dst_set,
 	.conn_request	   = tcp_v4_conn_request,
 	.syn_recv_sock	   = tcp_v4_syn_recv_sock,
 	.net_header_len	   = sizeof(struct iphdr),
@@ -2633,7 +2644,7 @@ struct proto tcp_prot = {
 	.compat_setsockopt	= compat_tcp_setsockopt,
 	.compat_getsockopt	= compat_tcp_getsockopt,
 #endif
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
+#ifdef CONFIG_MEMCG_KMEM
 	.init_cgroup		= tcp_init_cgroup,
 	.destroy_cgroup		= tcp_destroy_cgroup,
 	.proto_cgroup		= tcp_proto_cgroup,
diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index 2288a6399e1..0abe67bb4d3 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -731,6 +731,18 @@ static int __net_init tcp_net_metrics_init(struct net *net)
 
 static void __net_exit tcp_net_metrics_exit(struct net *net)
 {
+	unsigned int i;
+
+	for (i = 0; i < (1U << net->ipv4.tcp_metrics_hash_log) ; i++) {
+		struct tcp_metrics_block *tm, *next;
+
+		tm = rcu_dereference_protected(net->ipv4.tcp_metrics_hash[i].chain, 1);
+		while (tm) {
+			next = rcu_dereference_protected(tm->tcpm_next, 1);
+			kfree(tm);
+			tm = next;
+		}
+	}
 	kfree(net->ipv4.tcp_metrics_hash);
 }
 
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 232a90c3ec8..6ff7f10dce9 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -387,8 +387,6 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req,
 		struct tcp_sock *oldtp = tcp_sk(sk);
 		struct tcp_cookie_values *oldcvp = oldtp->cookie_values;
 
-		inet_sk_rx_dst_set(newsk, skb);
-
 		/* TCP Cookie Transactions require space for the cookie pair,
 		 * as it differs for each connection.  There is no need to
 		 * copy any s_data_payload stored at the original socket.
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 33cd065cfbd..d04632673a9 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -910,14 +910,18 @@ void tcp_release_cb(struct sock *sk)
 	if (flags & (1UL << TCP_TSQ_DEFERRED))
 		tcp_tsq_handler(sk);
 
-	if (flags & (1UL << TCP_WRITE_TIMER_DEFERRED))
+	if (flags & (1UL << TCP_WRITE_TIMER_DEFERRED)) {
 		tcp_write_timer_handler(sk);
-
-	if (flags & (1UL << TCP_DELACK_TIMER_DEFERRED))
+		__sock_put(sk);
+	}
+	if (flags & (1UL << TCP_DELACK_TIMER_DEFERRED)) {
 		tcp_delack_timer_handler(sk);
-
-	if (flags & (1UL << TCP_MTU_REDUCED_DEFERRED))
+		__sock_put(sk);
+	}
+	if (flags & (1UL << TCP_MTU_REDUCED_DEFERRED)) {
 		sk->sk_prot->mtu_reduced(sk);
+		__sock_put(sk);
+	}
 }
 EXPORT_SYMBOL(tcp_release_cb);
 
@@ -940,7 +944,7 @@ void __init tcp_tasklet_init(void)
  * We cant xmit new skbs from this context, as we might already
  * hold qdisc lock.
  */
-void tcp_wfree(struct sk_buff *skb)
+static void tcp_wfree(struct sk_buff *skb)
 {
 	struct sock *sk = skb->sk;
 	struct tcp_sock *tp = tcp_sk(sk);
@@ -1522,21 +1526,21 @@ static void tcp_cwnd_validate(struct sock *sk)
  * when we would be allowed to send the split-due-to-Nagle skb fully.
  */
 static unsigned int tcp_mss_split_point(const struct sock *sk, const struct sk_buff *skb,
-					unsigned int mss_now, unsigned int cwnd)
+					unsigned int mss_now, unsigned int max_segs)
 {
 	const struct tcp_sock *tp = tcp_sk(sk);
-	u32 needed, window, cwnd_len;
+	u32 needed, window, max_len;
 
 	window = tcp_wnd_end(tp) - TCP_SKB_CB(skb)->seq;
-	cwnd_len = mss_now * cwnd;
+	max_len = mss_now * max_segs;
 
-	if (likely(cwnd_len <= window && skb != tcp_write_queue_tail(sk)))
-		return cwnd_len;
+	if (likely(max_len <= window && skb != tcp_write_queue_tail(sk)))
+		return max_len;
 
 	needed = min(skb->len, window);
 
-	if (cwnd_len <= needed)
-		return cwnd_len;
+	if (max_len <= needed)
+		return max_len;
 
 	return needed - needed % mss_now;
 }
@@ -1765,7 +1769,8 @@ static bool tcp_tso_should_defer(struct sock *sk, struct sk_buff *skb)
 	limit = min(send_win, cong_win);
 
 	/* If a full-sized TSO skb can be sent, do it. */
-	if (limit >= sk->sk_gso_max_size)
+	if (limit >= min_t(unsigned int, sk->sk_gso_max_size,
+			   sk->sk_gso_max_segs * tp->mss_cache))
 		goto send_now;
 
 	/* Middle in queue won't get any more data, full sendable already? */
@@ -1999,7 +2004,9 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle,
 		limit = mss_now;
 		if (tso_segs > 1 && !tcp_urg_mode(tp))
 			limit = tcp_mss_split_point(sk, skb, mss_now,
-						    cwnd_quota);
+						    min_t(unsigned int,
+							  cwnd_quota,
+							  sk->sk_gso_max_segs));
 
 		if (skb->len > limit &&
 		    unlikely(tso_fragment(sk, skb, limit, mss_now, gfp)))
@@ -2045,7 +2052,8 @@ void __tcp_push_pending_frames(struct sock *sk, unsigned int cur_mss,
 	if (unlikely(sk->sk_state == TCP_CLOSE))
 		return;
 
-	if (tcp_write_xmit(sk, cur_mss, nonagle, 0, GFP_ATOMIC))
+	if (tcp_write_xmit(sk, cur_mss, nonagle, 0,
+			   sk_gfp_atomic(sk, GFP_ATOMIC)))
 		tcp_check_probe_timer(sk);
 }
 
@@ -2666,7 +2674,8 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
 
 	if (cvp != NULL && cvp->s_data_constant && cvp->s_data_desired)
 		s_data_desired = cvp->s_data_desired;
-	skb = alloc_skb(MAX_TCP_HEADER + 15 + s_data_desired, GFP_ATOMIC);
+	skb = alloc_skb(MAX_TCP_HEADER + 15 + s_data_desired,
+			sk_gfp_atomic(sk, GFP_ATOMIC));
 	if (unlikely(!skb)) {
 		dst_release(dst);
 		return NULL;
@@ -3064,7 +3073,7 @@ void tcp_send_ack(struct sock *sk)
 	 * tcp_transmit_skb() will set the ownership to this
 	 * sock.
 	 */
-	buff = alloc_skb(MAX_TCP_HEADER, GFP_ATOMIC);
+	buff = alloc_skb(MAX_TCP_HEADER, sk_gfp_atomic(sk, GFP_ATOMIC));
 	if (buff == NULL) {
 		inet_csk_schedule_ack(sk);
 		inet_csk(sk)->icsk_ack.ato = TCP_ATO_MIN;
@@ -3079,7 +3088,7 @@ void tcp_send_ack(struct sock *sk)
 
 	/* Send it off, this clears delayed acks for us. */
 	TCP_SKB_CB(buff)->when = tcp_time_stamp;
-	tcp_transmit_skb(sk, buff, 0, GFP_ATOMIC);
+	tcp_transmit_skb(sk, buff, 0, sk_gfp_atomic(sk, GFP_ATOMIC));
 }
 
 /* This routine sends a packet with an out of date sequence
@@ -3099,7 +3108,7 @@ static int tcp_xmit_probe_skb(struct sock *sk, int urgent)
 	struct sk_buff *skb;
 
 	/* We don't queue it, tcp_transmit_skb() sets ownership. */
-	skb = alloc_skb(MAX_TCP_HEADER, GFP_ATOMIC);
+	skb = alloc_skb(MAX_TCP_HEADER, sk_gfp_atomic(sk, GFP_ATOMIC));
 	if (skb == NULL)
 		return -1;
 
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 6df36ad55a3..b774a03bd1d 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -252,7 +252,8 @@ static void tcp_delack_timer(unsigned long data)
 		inet_csk(sk)->icsk_ack.blocked = 1;
 		NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_DELAYEDACKLOCKED);
 		/* deleguate our work to tcp_release_cb() */
-		set_bit(TCP_WRITE_TIMER_DEFERRED, &tcp_sk(sk)->tsq_flags);
+		if (!test_and_set_bit(TCP_DELACK_TIMER_DEFERRED, &tcp_sk(sk)->tsq_flags))
+			sock_hold(sk);
 	}
 	bh_unlock_sock(sk);
 	sock_put(sk);
@@ -481,7 +482,8 @@ static void tcp_write_timer(unsigned long data)
 		tcp_write_timer_handler(sk);
 	} else {
 		/* deleguate our work to tcp_release_cb() */
-		set_bit(TCP_WRITE_TIMER_DEFERRED, &tcp_sk(sk)->tsq_flags);
+		if (!test_and_set_bit(TCP_WRITE_TIMER_DEFERRED, &tcp_sk(sk)->tsq_flags))
+			sock_hold(sk);
 	}
 	bh_unlock_sock(sk);
 	sock_put(sk);
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index b4c3582a991..2814f66dac6 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -758,7 +758,7 @@ static int udp_send_skb(struct sk_buff *skb, struct flowi4 *fl4)
 		uh->check = CSUM_MANGLED_0;
 
 send:
-	err = ip_send_skb(skb);
+	err = ip_send_skb(sock_net(sk), skb);
 	if (err) {
 		if (err == -ENOBUFS && !inet->recverr) {
 			UDP_INC_STATS_USER(sock_net(sk),
@@ -1226,6 +1226,11 @@ try_again:
 
 	if (unlikely(err)) {
 		trace_kfree_skb(skb, udp_recvmsg);
+		if (!peeked) {
+			atomic_inc(&sk->sk_drops);
+			UDP_INC_STATS_USER(sock_net(sk),
+					   UDP_MIB_INERRORS, is_udplite);
+		}
 		goto out_free;
 	}
 
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 79181819a24..6bc85f7c31e 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -494,8 +494,7 @@ static void addrconf_forward_change(struct net *net, __s32 newf)
 	struct net_device *dev;
 	struct inet6_dev *idev;
 
-	rcu_read_lock();
-	for_each_netdev_rcu(net, dev) {
+	for_each_netdev(net, dev) {
 		idev = __in6_dev_get(dev);
 		if (idev) {
 			int changed = (!idev->cnf.forwarding) ^ (!newf);
@@ -504,7 +503,6 @@ static void addrconf_forward_change(struct net *net, __s32 newf)
 				dev_forward_change(idev);
 		}
 	}
-	rcu_read_unlock();
 }
 
 static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int newf)
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 6dc7fd353ef..282f3723ee1 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -167,8 +167,6 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb)
 	struct esp_data *esp = x->data;
 
 	/* skb is pure payload to encrypt */
-	err = -ENOMEM;
-
 	aead = esp->aead;
 	alen = crypto_aead_authsize(aead);
 
@@ -203,8 +201,10 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb)
 	}
 
 	tmp = esp_alloc_tmp(aead, nfrags + sglists, seqhilen);
-	if (!tmp)
+	if (!tmp) {
+		err = -ENOMEM;
 		goto error;
+	}
 
 	seqhi = esp_tmp_seqhi(tmp);
 	iv = esp_tmp_iv(aead, tmp, seqhilen);
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 0251a6005be..c4f934176ca 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -175,33 +175,12 @@ void __inet6_csk_dst_store(struct sock *sk, struct dst_entry *dst,
 			   const struct in6_addr *saddr)
 {
 	__ip6_dst_store(sk, dst, daddr, saddr);
-
-#ifdef CONFIG_XFRM
-	{
-		struct rt6_info *rt = (struct rt6_info  *)dst;
-		rt->rt6i_flow_cache_genid = atomic_read(&flow_cache_genid);
-	}
-#endif
 }
 
 static inline
 struct dst_entry *__inet6_csk_dst_check(struct sock *sk, u32 cookie)
 {
-	struct dst_entry *dst;
-
-	dst = __sk_dst_check(sk, cookie);
-
-#ifdef CONFIG_XFRM
-	if (dst) {
-		struct rt6_info *rt = (struct rt6_info *)dst;
-		if (rt->rt6i_flow_cache_genid != atomic_read(&flow_cache_genid)) {
-			__sk_dst_reset(sk);
-			dst = NULL;
-		}
-	}
-#endif
-
-	return dst;
+	return __sk_dst_check(sk, cookie);
 }
 
 static struct dst_entry *inet6_csk_route_socket(struct sock *sk,
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 13690d650c3..286acfc2125 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -819,6 +819,10 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
 					offsetof(struct rt6_info, rt6i_src),
 					allow_create, replace_required);
 
+			if (IS_ERR(sn)) {
+				err = PTR_ERR(sn);
+				sn = NULL;
+			}
 			if (!sn) {
 				/* If it is failed, discard just allocated
 				   root, and then (in st_failure) stale node
diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c
index 5b087c31d87..0f9bdc5ee9f 100644
--- a/net/ipv6/mip6.c
+++ b/net/ipv6/mip6.c
@@ -86,28 +86,30 @@ static int mip6_mh_len(int type)
 
 static int mip6_mh_filter(struct sock *sk, struct sk_buff *skb)
 {
-	struct ip6_mh *mh;
+	struct ip6_mh _hdr;
+	const struct ip6_mh *mh;
 
-	if (!pskb_may_pull(skb, (skb_transport_offset(skb)) + 8) ||
-	    !pskb_may_pull(skb, (skb_transport_offset(skb) +
-				 ((skb_transport_header(skb)[1] + 1) << 3))))
+	mh = skb_header_pointer(skb, skb_transport_offset(skb),
+				sizeof(_hdr), &_hdr);
+	if (!mh)
 		return -1;
 
-	mh = (struct ip6_mh *)skb_transport_header(skb);
+	if (((mh->ip6mh_hdrlen + 1) << 3) > skb->len)
+		return -1;
 
 	if (mh->ip6mh_hdrlen < mip6_mh_len(mh->ip6mh_type)) {
 		LIMIT_NETDEBUG(KERN_DEBUG "mip6: MH message too short: %d vs >=%d\n",
 			       mh->ip6mh_hdrlen, mip6_mh_len(mh->ip6mh_type));
-		mip6_param_prob(skb, 0, ((&mh->ip6mh_hdrlen) -
-					 skb_network_header(skb)));
+		mip6_param_prob(skb, 0, offsetof(struct ip6_mh, ip6mh_hdrlen) +
+				skb_network_header_len(skb));
 		return -1;
 	}
 
 	if (mh->ip6mh_proto != IPPROTO_NONE) {
 		LIMIT_NETDEBUG(KERN_DEBUG "mip6: MH invalid payload proto = %d\n",
 			       mh->ip6mh_proto);
-		mip6_param_prob(skb, 0, ((&mh->ip6mh_proto) -
-					 skb_network_header(skb)));
+		mip6_param_prob(skb, 0, offsetof(struct ip6_mh, ip6mh_proto) +
+				skb_network_header_len(skb));
 		return -1;
 	}
 
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index da2e92d05c1..745a3204295 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -307,10 +307,10 @@ static int __net_init ipv6_proc_init_net(struct net *net)
 		goto proc_dev_snmp6_fail;
 	return 0;
 
+proc_dev_snmp6_fail:
+	proc_net_remove(net, "snmp6");
 proc_snmp6_fail:
 	proc_net_remove(net, "sockstat6");
-proc_dev_snmp6_fail:
-	proc_net_remove(net, "dev_snmp6");
 	return -ENOMEM;
 }
 
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index ef0579d5bca..4a5f78b5049 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -107,21 +107,20 @@ found:
  *	0 - deliver
  *	1 - block
  */
-static __inline__ int icmpv6_filter(struct sock *sk, struct sk_buff *skb)
+static int icmpv6_filter(const struct sock *sk, const struct sk_buff *skb)
 {
-	struct icmp6hdr *icmph;
-	struct raw6_sock *rp = raw6_sk(sk);
-
-	if (pskb_may_pull(skb, sizeof(struct icmp6hdr))) {
-		__u32 *data = &rp->filter.data[0];
-		int bit_nr;
+	struct icmp6hdr *_hdr;
+	const struct icmp6hdr *hdr;
 
-		icmph = (struct icmp6hdr *) skb->data;
-		bit_nr = icmph->icmp6_type;
+	hdr = skb_header_pointer(skb, skb_transport_offset(skb),
+				 sizeof(_hdr), &_hdr);
+	if (hdr) {
+		const __u32 *data = &raw6_sk(sk)->filter.data[0];
+		unsigned int type = hdr->icmp6_type;
 
-		return (data[bit_nr >> 5] & (1 << (bit_nr & 31))) != 0;
+		return (data[type >> 5] & (1U << (type & 31))) != 0;
 	}
-	return 0;
+	return 1;
 }
 
 #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 8e80fd27910..854e4018d20 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -226,7 +226,7 @@ static struct rt6_info ip6_null_entry_template = {
 	.dst = {
 		.__refcnt	= ATOMIC_INIT(1),
 		.__use		= 1,
-		.obsolete	= -1,
+		.obsolete	= DST_OBSOLETE_FORCE_CHK,
 		.error		= -ENETUNREACH,
 		.input		= ip6_pkt_discard,
 		.output		= ip6_pkt_discard_out,
@@ -246,7 +246,7 @@ static struct rt6_info ip6_prohibit_entry_template = {
 	.dst = {
 		.__refcnt	= ATOMIC_INIT(1),
 		.__use		= 1,
-		.obsolete	= -1,
+		.obsolete	= DST_OBSOLETE_FORCE_CHK,
 		.error		= -EACCES,
 		.input		= ip6_pkt_prohibit,
 		.output		= ip6_pkt_prohibit_out,
@@ -261,7 +261,7 @@ static struct rt6_info ip6_blk_hole_entry_template = {
 	.dst = {
 		.__refcnt	= ATOMIC_INIT(1),
 		.__use		= 1,
-		.obsolete	= -1,
+		.obsolete	= DST_OBSOLETE_FORCE_CHK,
 		.error		= -EINVAL,
 		.input		= dst_discard,
 		.output		= dst_discard,
@@ -281,13 +281,14 @@ static inline struct rt6_info *ip6_dst_alloc(struct net *net,
 					     struct fib6_table *table)
 {
 	struct rt6_info *rt = dst_alloc(&net->ipv6.ip6_dst_ops, dev,
-					0, DST_OBSOLETE_NONE, flags);
+					0, DST_OBSOLETE_FORCE_CHK, flags);
 
 	if (rt) {
 		struct dst_entry *dst = &rt->dst;
 
 		memset(dst + 1, 0, sizeof(*rt) - sizeof(*dst));
 		rt6_init_peer(rt, table ? &table->tb6_peers : net->ipv6.peers);
+		rt->rt6i_genid = rt_genid(net);
 	}
 	return rt;
 }
@@ -1031,6 +1032,13 @@ static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie)
 
 	rt = (struct rt6_info *) dst;
 
+	/* All IPV6 dsts are created with ->obsolete set to the value
+	 * DST_OBSOLETE_FORCE_CHK which forces validation calls down
+	 * into this function always.
+	 */
+	if (rt->rt6i_genid != rt_genid(dev_net(rt->dst.dev)))
+		return NULL;
+
 	if (rt->rt6i_node && (rt->rt6i_node->fn_sernum == cookie)) {
 		if (rt->rt6i_peer_genid != rt6_peer_genid()) {
 			if (!rt6_has_peer(rt))
@@ -1397,8 +1405,6 @@ int ip6_route_add(struct fib6_config *cfg)
 		goto out;
 	}
 
-	rt->dst.obsolete = -1;
-
 	if (cfg->fc_flags & RTF_EXPIRES)
 		rt6_set_expires(rt, jiffies +
 				clock_t_to_jiffies(cfg->fc_expires));
@@ -2080,7 +2086,6 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
 	rt->dst.input = ip6_input;
 	rt->dst.output = ip6_output;
 	rt->rt6i_idev = idev;
-	rt->dst.obsolete = -1;
 
 	rt->rt6i_flags = RTF_UP | RTF_NONEXTHOP;
 	if (anycast)
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 221224e7250..acd32e3f1b6 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -94,6 +94,18 @@ static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(struct sock *sk,
 }
 #endif
 
+static void inet6_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb)
+{
+	struct dst_entry *dst = skb_dst(skb);
+	const struct rt6_info *rt = (const struct rt6_info *)dst;
+
+	dst_hold(dst);
+	sk->sk_rx_dst = dst;
+	inet_sk(sk)->rx_dst_ifindex = skb->skb_iif;
+	if (rt->rt6i_node)
+		inet6_sk(sk)->rx_dst_cookie = rt->rt6i_node->fn_sernum;
+}
+
 static void tcp_v6_hash(struct sock *sk)
 {
 	if (sk->sk_state != TCP_CLOSE) {
@@ -391,8 +403,9 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 		tp->mtu_info = ntohl(info);
 		if (!sock_owned_by_user(sk))
 			tcp_v6_mtu_reduced(sk);
-		else
-			set_bit(TCP_MTU_REDUCED_DEFERRED, &tp->tsq_flags);
+		else if (!test_and_set_bit(TCP_MTU_REDUCED_DEFERRED,
+					   &tp->tsq_flags))
+			sock_hold(sk);
 		goto out;
 	}
 
@@ -1270,6 +1283,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 
 	newsk->sk_gso_type = SKB_GSO_TCPV6;
 	__ip6_dst_store(newsk, dst, NULL, NULL);
+	inet6_sk_rx_dst_set(newsk, skb);
 
 	newtcp6sk = (struct tcp6_sock *)newsk;
 	inet_sk(newsk)->pinet6 = &newtcp6sk->inet6;
@@ -1299,7 +1313,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 	/* Clone pktoptions received with SYN */
 	newnp->pktoptions = NULL;
 	if (treq->pktopts != NULL) {
-		newnp->pktoptions = skb_clone(treq->pktopts, GFP_ATOMIC);
+		newnp->pktoptions = skb_clone(treq->pktopts,
+					      sk_gfp_atomic(sk, GFP_ATOMIC));
 		consume_skb(treq->pktopts);
 		treq->pktopts = NULL;
 		if (newnp->pktoptions)
@@ -1349,7 +1364,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 		 * across. Shucks.
 		 */
 		tcp_md5_do_add(newsk, (union tcp_md5_addr *)&newnp->daddr,
-			       AF_INET6, key->key, key->keylen, GFP_ATOMIC);
+			       AF_INET6, key->key, key->keylen,
+			       sk_gfp_atomic(sk, GFP_ATOMIC));
 	}
 #endif
 
@@ -1442,10 +1458,20 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
 					       --ANK (980728)
 	 */
 	if (np->rxopt.all)
-		opt_skb = skb_clone(skb, GFP_ATOMIC);
+		opt_skb = skb_clone(skb, sk_gfp_atomic(sk, GFP_ATOMIC));
 
 	if (sk->sk_state == TCP_ESTABLISHED) { /* Fast path */
+		struct dst_entry *dst = sk->sk_rx_dst;
+
 		sock_rps_save_rxhash(sk, skb);
+		if (dst) {
+			if (inet_sk(sk)->rx_dst_ifindex != skb->skb_iif ||
+			    dst->ops->check(dst, np->rx_dst_cookie) == NULL) {
+				dst_release(dst);
+				sk->sk_rx_dst = NULL;
+			}
+		}
+
 		if (tcp_rcv_established(sk, skb, tcp_hdr(skb), skb->len))
 			goto reset;
 		if (opt_skb)
@@ -1703,9 +1729,9 @@ static void tcp_v6_early_demux(struct sk_buff *skb)
 			struct dst_entry *dst = sk->sk_rx_dst;
 			struct inet_sock *icsk = inet_sk(sk);
 			if (dst)
-				dst = dst_check(dst, 0);
+				dst = dst_check(dst, inet6_sk(sk)->rx_dst_cookie);
 			if (dst &&
-			    icsk->rx_dst_ifindex == inet6_iif(skb))
+			    icsk->rx_dst_ifindex == skb->skb_iif)
 				skb_dst_set_noref(skb, dst);
 		}
 	}
@@ -1721,6 +1747,7 @@ static const struct inet_connection_sock_af_ops ipv6_specific = {
 	.queue_xmit	   = inet6_csk_xmit,
 	.send_check	   = tcp_v6_send_check,
 	.rebuild_header	   = inet6_sk_rebuild_header,
+	.sk_rx_dst_set	   = inet6_sk_rx_dst_set,
 	.conn_request	   = tcp_v6_conn_request,
 	.syn_recv_sock	   = tcp_v6_syn_recv_sock,
 	.net_header_len	   = sizeof(struct ipv6hdr),
@@ -1752,6 +1779,7 @@ static const struct inet_connection_sock_af_ops ipv6_mapped = {
 	.queue_xmit	   = ip_queue_xmit,
 	.send_check	   = tcp_v4_send_check,
 	.rebuild_header	   = inet_sk_rebuild_header,
+	.sk_rx_dst_set	   = inet_sk_rx_dst_set,
 	.conn_request	   = tcp_v6_conn_request,
 	.syn_recv_sock	   = tcp_v6_syn_recv_sock,
 	.net_header_len	   = sizeof(struct iphdr),
@@ -2015,7 +2043,7 @@ struct proto tcpv6_prot = {
 	.compat_setsockopt	= compat_tcp_setsockopt,
 	.compat_getsockopt	= compat_tcp_getsockopt,
 #endif
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
+#ifdef CONFIG_MEMCG_KMEM
 	.proto_cgroup		= tcp_proto_cgroup,
 #endif
 };
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 99d0077b56b..07e2bfef684 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -394,6 +394,17 @@ try_again:
 	}
 	if (unlikely(err)) {
 		trace_kfree_skb(skb, udpv6_recvmsg);
+		if (!peeked) {
+			atomic_inc(&sk->sk_drops);
+			if (is_udp4)
+				UDP_INC_STATS_USER(sock_net(sk),
+						   UDP_MIB_INERRORS,
+						   is_udplite);
+			else
+				UDP6_INC_STATS_USER(sock_net(sk),
+						    UDP_MIB_INERRORS,
+						    is_udplite);
+		}
 		goto out_free;
 	}
 	if (!peeked) {
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index ef39812107b..f8c4c08ffb6 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -73,6 +73,13 @@ static int xfrm6_get_tos(const struct flowi *fl)
 	return 0;
 }
 
+static void xfrm6_init_dst(struct net *net, struct xfrm_dst *xdst)
+{
+	struct rt6_info *rt = (struct rt6_info *)xdst;
+
+	rt6_init_peer(rt, net->ipv6.peers);
+}
+
 static int xfrm6_init_path(struct xfrm_dst *path, struct dst_entry *dst,
 			   int nfheader_len)
 {
@@ -286,6 +293,7 @@ static struct xfrm_policy_afinfo xfrm6_policy_afinfo = {
 	.get_saddr = 		xfrm6_get_saddr,
 	.decode_session =	_decode_session6,
 	.get_tos =		xfrm6_get_tos,
+	.init_dst =		xfrm6_init_dst,
 	.init_path =		xfrm6_init_path,
 	.fill_dst =		xfrm6_fill_dst,
 	.blackhole_route =	ip6_blackhole_route,
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 393355d37b4..1a9f3723c13 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1347,11 +1347,10 @@ static void l2tp_tunnel_free(struct l2tp_tunnel *tunnel)
 	/* Remove from tunnel list */
 	spin_lock_bh(&pn->l2tp_tunnel_list_lock);
 	list_del_rcu(&tunnel->list);
+	kfree_rcu(tunnel, rcu);
 	spin_unlock_bh(&pn->l2tp_tunnel_list_lock);
-	synchronize_rcu();
 
 	atomic_dec(&l2tp_tunnel_count);
-	kfree(tunnel);
 }
 
 /* Create a socket for the tunnel, if one isn't set up by
@@ -1502,6 +1501,8 @@ out:
 	return err;
 }
 
+static struct lock_class_key l2tp_socket_class;
+
 int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, u32 peer_tunnel_id, struct l2tp_tunnel_cfg *cfg, struct l2tp_tunnel **tunnelp)
 {
 	struct l2tp_tunnel *tunnel = NULL;
@@ -1606,6 +1607,8 @@ int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, u32
 	tunnel->old_sk_destruct = sk->sk_destruct;
 	sk->sk_destruct = &l2tp_tunnel_destruct;
 	tunnel->sock = sk;
+	lockdep_set_class_and_name(&sk->sk_lock.slock, &l2tp_socket_class, "l2tp_sock");
+
 	sk->sk_allocation = GFP_ATOMIC;
 
 	/* Add tunnel to our list */
diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h
index a38ec6cdeee..56d583e083a 100644
--- a/net/l2tp/l2tp_core.h
+++ b/net/l2tp/l2tp_core.h
@@ -163,6 +163,7 @@ struct l2tp_tunnel_cfg {
 
 struct l2tp_tunnel {
 	int			magic;		/* Should be L2TP_TUNNEL_MAGIC */
+	struct rcu_head rcu;
 	rwlock_t		hlist_lock;	/* protect session_hlist */
 	struct hlist_head	session_hlist[L2TP_HASH_SIZE];
 						/* hashed list of sessions,
diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index f9ee74deeac..3bfb34aaee2 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -153,7 +153,7 @@ static void l2tp_eth_dev_recv(struct l2tp_session *session, struct sk_buff *skb,
 		print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, skb->data, length);
 	}
 
-	if (!pskb_may_pull(skb, sizeof(ETH_HLEN)))
+	if (!pskb_may_pull(skb, ETH_HLEN))
 		goto error;
 
 	secpath_reset(skb);
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index 35e1e4bde58..927547171bc 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -410,6 +410,7 @@ static int l2tp_ip6_getname(struct socket *sock, struct sockaddr *uaddr,
 	lsa->l2tp_family = AF_INET6;
 	lsa->l2tp_flowinfo = 0;
 	lsa->l2tp_scope_id = 0;
+	lsa->l2tp_unused = 0;
 	if (peer) {
 		if (!lsk->peer_conn_id)
 			return -ENOTCONN;
diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c
index d71cd9229a4..6f936358d66 100644
--- a/net/l2tp/l2tp_netlink.c
+++ b/net/l2tp/l2tp_netlink.c
@@ -80,8 +80,8 @@ static int l2tp_nl_cmd_noop(struct sk_buff *skb, struct genl_info *info)
 
 	hdr = genlmsg_put(msg, info->snd_pid, info->snd_seq,
 			  &l2tp_nl_family, 0, L2TP_CMD_NOOP);
-	if (IS_ERR(hdr)) {
-		ret = PTR_ERR(hdr);
+	if (!hdr) {
+		ret = -EMSGSIZE;
 		goto err_out;
 	}
 
@@ -250,8 +250,8 @@ static int l2tp_nl_tunnel_send(struct sk_buff *skb, u32 pid, u32 seq, int flags,
 
 	hdr = genlmsg_put(skb, pid, seq, &l2tp_nl_family, flags,
 			  L2TP_CMD_TUNNEL_GET);
-	if (IS_ERR(hdr))
-		return PTR_ERR(hdr);
+	if (!hdr)
+		return -EMSGSIZE;
 
 	if (nla_put_u8(skb, L2TP_ATTR_PROTO_VERSION, tunnel->version) ||
 	    nla_put_u32(skb, L2TP_ATTR_CONN_ID, tunnel->tunnel_id) ||
@@ -617,8 +617,8 @@ static int l2tp_nl_session_send(struct sk_buff *skb, u32 pid, u32 seq, int flags
 	sk = tunnel->sock;
 
 	hdr = genlmsg_put(skb, pid, seq, &l2tp_nl_family, flags, L2TP_CMD_SESSION_GET);
-	if (IS_ERR(hdr))
-		return PTR_ERR(hdr);
+	if (!hdr)
+		return -EMSGSIZE;
 
 	if (nla_put_u32(skb, L2TP_ATTR_CONN_ID, tunnel->tunnel_id) ||
 	    nla_put_u32(skb, L2TP_ATTR_SESSION_ID, session->session_id) ||
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index f6fe4d40050..c2190005a11 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -969,14 +969,13 @@ static int llc_ui_getname(struct socket *sock, struct sockaddr *uaddr,
 	struct sockaddr_llc sllc;
 	struct sock *sk = sock->sk;
 	struct llc_sock *llc = llc_sk(sk);
-	int rc = 0;
+	int rc = -EBADF;
 
 	memset(&sllc, 0, sizeof(sllc));
 	lock_sock(sk);
 	if (sock_flag(sk, SOCK_ZAPPED))
 		goto out;
 	*uaddrlen = sizeof(sllc);
-	memset(uaddr, 0, *uaddrlen);
 	if (peer) {
 		rc = -ENOTCONN;
 		if (sk->sk_state != TCP_ESTABLISHED)
@@ -1206,7 +1205,7 @@ static int __init llc2_init(void)
 	rc = llc_proc_init();
 	if (rc != 0) {
 		printk(llc_proc_err_msg);
-		goto out_unregister_llc_proto;
+		goto out_station;
 	}
 	rc = llc_sysctl_init();
 	if (rc) {
@@ -1226,7 +1225,8 @@ out_sysctl:
 	llc_sysctl_exit();
 out_proc:
 	llc_proc_exit();
-out_unregister_llc_proto:
+out_station:
+	llc_station_exit();
 	proto_unregister(&llc_proto);
 	goto out;
 }
diff --git a/net/llc/llc_input.c b/net/llc/llc_input.c
index e32cab44ea9..dd3e83328ad 100644
--- a/net/llc/llc_input.c
+++ b/net/llc/llc_input.c
@@ -42,6 +42,7 @@ static void (*llc_type_handlers[2])(struct llc_sap *sap,
 void llc_add_pack(int type, void (*handler)(struct llc_sap *sap,
 					    struct sk_buff *skb))
 {
+	smp_wmb(); /* ensure initialisation is complete before it's called */
 	if (type == LLC_DEST_SAP || type == LLC_DEST_CONN)
 		llc_type_handlers[type - 1] = handler;
 }
@@ -50,11 +51,19 @@ void llc_remove_pack(int type)
 {
 	if (type == LLC_DEST_SAP || type == LLC_DEST_CONN)
 		llc_type_handlers[type - 1] = NULL;
+	synchronize_net();
 }
 
 void llc_set_station_handler(void (*handler)(struct sk_buff *skb))
 {
+	/* Ensure initialisation is complete before it's called */
+	if (handler)
+		smp_wmb();
+
 	llc_station_handler = handler;
+
+	if (!handler)
+		synchronize_net();
 }
 
 /**
@@ -150,6 +159,8 @@ int llc_rcv(struct sk_buff *skb, struct net_device *dev,
 	int dest;
 	int (*rcv)(struct sk_buff *, struct net_device *,
 		   struct packet_type *, struct net_device *);
+	void (*sta_handler)(struct sk_buff *skb);
+	void (*sap_handler)(struct llc_sap *sap, struct sk_buff *skb);
 
 	if (!net_eq(dev_net(dev), &init_net))
 		goto drop;
@@ -182,7 +193,8 @@ int llc_rcv(struct sk_buff *skb, struct net_device *dev,
 	 */
 	rcv = rcu_dereference(sap->rcv_func);
 	dest = llc_pdu_type(skb);
-	if (unlikely(!dest || !llc_type_handlers[dest - 1])) {
+	sap_handler = dest ? ACCESS_ONCE(llc_type_handlers[dest - 1]) : NULL;
+	if (unlikely(!sap_handler)) {
 		if (rcv)
 			rcv(skb, dev, pt, orig_dev);
 		else
@@ -193,7 +205,7 @@ int llc_rcv(struct sk_buff *skb, struct net_device *dev,
 			if (cskb)
 				rcv(cskb, dev, pt, orig_dev);
 		}
-		llc_type_handlers[dest - 1](sap, skb);
+		sap_handler(sap, skb);
 	}
 	llc_sap_put(sap);
 out:
@@ -202,9 +214,10 @@ drop:
 	kfree_skb(skb);
 	goto out;
 handle_station:
-	if (!llc_station_handler)
+	sta_handler = ACCESS_ONCE(llc_station_handler);
+	if (!sta_handler)
 		goto drop;
-	llc_station_handler(skb);
+	sta_handler(skb);
 	goto out;
 }
 
diff --git a/net/llc/llc_station.c b/net/llc/llc_station.c
index 39a8d8924b9..b2f2bac2c2a 100644
--- a/net/llc/llc_station.c
+++ b/net/llc/llc_station.c
@@ -268,7 +268,7 @@ static int llc_station_ac_send_null_dsap_xid_c(struct sk_buff *skb)
 out:
 	return rc;
 free:
-	kfree_skb(skb);
+	kfree_skb(nskb);
 	goto out;
 }
 
@@ -293,7 +293,7 @@ static int llc_station_ac_send_xid_r(struct sk_buff *skb)
 out:
 	return rc;
 free:
-	kfree_skb(skb);
+	kfree_skb(nskb);
 	goto out;
 }
 
@@ -322,7 +322,7 @@ static int llc_station_ac_send_test_r(struct sk_buff *skb)
 out:
 	return rc;
 free:
-	kfree_skb(skb);
+	kfree_skb(nskb);
 	goto out;
 }
 
@@ -687,12 +687,8 @@ static void llc_station_rcv(struct sk_buff *skb)
 	llc_station_state_process(skb);
 }
 
-int __init llc_station_init(void)
+void __init llc_station_init(void)
 {
-	int rc = -ENOBUFS;
-	struct sk_buff *skb;
-	struct llc_station_state_ev *ev;
-
 	skb_queue_head_init(&llc_main_station.mac_pdu_q);
 	skb_queue_head_init(&llc_main_station.ev_q.list);
 	spin_lock_init(&llc_main_station.ev_q.lock);
@@ -700,23 +696,12 @@ int __init llc_station_init(void)
 			(unsigned long)&llc_main_station);
 	llc_main_station.ack_timer.expires  = jiffies +
 						sysctl_llc_station_ack_timeout;
-	skb = alloc_skb(0, GFP_ATOMIC);
-	if (!skb)
-		goto out;
-	rc = 0;
-	llc_set_station_handler(llc_station_rcv);
-	ev = llc_station_ev(skb);
-	memset(ev, 0, sizeof(*ev));
 	llc_main_station.maximum_retry	= 1;
-	llc_main_station.state		= LLC_STATION_STATE_DOWN;
-	ev->type	= LLC_STATION_EV_TYPE_SIMPLE;
-	ev->prim_type	= LLC_STATION_EV_ENABLE_WITHOUT_DUP_ADDR_CHECK;
-	rc = llc_station_next_state(skb);
-out:
-	return rc;
+	llc_main_station.state		= LLC_STATION_STATE_UP;
+	llc_set_station_handler(llc_station_rcv);
 }
 
-void __exit llc_station_exit(void)
+void llc_station_exit(void)
 {
 	llc_set_station_handler(NULL);
 }
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index d41974aacf5..a58c0b649ba 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1378,6 +1378,8 @@ static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 	else
 		memset(next_hop, 0, ETH_ALEN);
 
+	memset(pinfo, 0, sizeof(*pinfo));
+
 	pinfo->generation = mesh_paths_generation;
 
 	pinfo->filled = MPATH_INFO_FRAME_QLEN |
@@ -1396,7 +1398,6 @@ static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 	pinfo->discovery_timeout =
 			jiffies_to_msecs(mpath->discovery_timeout);
 	pinfo->discovery_retries = mpath->discovery_retries;
-	pinfo->flags = 0;
 	if (mpath->flags & MESH_PATH_ACTIVE)
 		pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
 	if (mpath->flags & MESH_PATH_RESOLVING)
@@ -1405,10 +1406,8 @@ static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
 		pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
 	if (mpath->flags & MESH_PATH_FIXED)
 		pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
-	if (mpath->flags & MESH_PATH_RESOLVING)
-		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
-
-	pinfo->flags = mpath->flags;
+	if (mpath->flags & MESH_PATH_RESOLVED)
+		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
 }
 
 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 6fac18c0423..85572353a7e 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -622,6 +622,7 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
 
 	del_timer_sync(&sdata->u.mesh.housekeeping_timer);
 	del_timer_sync(&sdata->u.mesh.mesh_path_root_timer);
+	del_timer_sync(&sdata->u.mesh.mesh_path_timer);
 	/*
 	 * If the timer fired while we waited for it, it will have
 	 * requeued the work. Now the work will be running again
@@ -634,6 +635,8 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
 	local->fif_other_bss--;
 	atomic_dec(&local->iff_allmultis);
 	ieee80211_configure_filter(local);
+
+	sdata->u.mesh.timers_running = 0;
 }
 
 static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index cef0c9e79ab..f76b83341cf 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1430,6 +1430,8 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 	del_timer_sync(&sdata->u.mgd.bcn_mon_timer);
 	del_timer_sync(&sdata->u.mgd.timer);
 	del_timer_sync(&sdata->u.mgd.chswitch_timer);
+
+	sdata->u.mgd.timers_running = 0;
 }
 
 void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
@@ -3246,6 +3248,8 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
 	goto out_unlock;
 
  err_clear:
+	memset(ifmgd->bssid, 0, ETH_ALEN);
+	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
 	ifmgd->auth_data = NULL;
  err_free:
 	kfree(auth_data);
@@ -3437,6 +3441,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 	err = 0;
 	goto out;
  err_clear:
+	memset(ifmgd->bssid, 0, ETH_ALEN);
+	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID);
 	ifmgd->assoc_data = NULL;
  err_free:
 	kfree(assoc_data);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index bcaee5d1283..839dd973798 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -299,7 +299,7 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted,
 	if (local->scan_req != local->int_scan_req)
 		cfg80211_scan_done(local->scan_req, aborted);
 	local->scan_req = NULL;
-	local->scan_sdata = NULL;
+	rcu_assign_pointer(local->scan_sdata, NULL);
 
 	local->scanning = 0;
 	local->scan_channel = NULL;
@@ -984,7 +984,6 @@ int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata)
 			kfree(local->sched_scan_ies.ie[i]);
 
 		drv_sched_scan_stop(local, sdata);
-		rcu_assign_pointer(local->sched_scan_sdata, NULL);
 	}
 out:
 	mutex_unlock(&local->mtx);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index acf712ffb5e..c5e8c9c31f7 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1811,37 +1811,31 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
 			meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr,
 					sdata, NULL, NULL);
 		} else {
-			int is_mesh_mcast = 1;
-			const u8 *mesh_da;
+			/* DS -> MBSS (802.11-2012 13.11.3.3).
+			 * For unicast with unknown forwarding information,
+			 * destination might be in the MBSS or if that fails
+			 * forwarded to another mesh gate. In either case
+			 * resolution will be handled in ieee80211_xmit(), so
+			 * leave the original DA. This also works for mcast */
+			const u8 *mesh_da = skb->data;
+
+			if (mppath)
+				mesh_da = mppath->mpp;
+			else if (mpath)
+				mesh_da = mpath->dst;
+			rcu_read_unlock();
 
-			if (is_multicast_ether_addr(skb->data))
-				/* DA TA mSA AE:SA */
-				mesh_da = skb->data;
-			else {
-				static const u8 bcast[ETH_ALEN] =
-					{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
-				if (mppath) {
-					/* RA TA mDA mSA AE:DA SA */
-					mesh_da = mppath->mpp;
-					is_mesh_mcast = 0;
-				} else if (mpath) {
-					mesh_da = mpath->dst;
-					is_mesh_mcast = 0;
-				} else {
-					/* DA TA mSA AE:SA */
-					mesh_da = bcast;
-				}
-			}
 			hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc,
 					mesh_da, sdata->vif.addr);
-			rcu_read_unlock();
-			if (is_mesh_mcast)
+			if (is_multicast_ether_addr(mesh_da))
+				/* DA TA mSA AE:SA */
 				meshhdrlen =
 					ieee80211_new_mesh_header(&mesh_hdr,
 							sdata,
 							skb->data + ETH_ALEN,
 							NULL);
 			else
+				/* RA TA mDA mSA AE:DA SA */
 				meshhdrlen =
 					ieee80211_new_mesh_header(&mesh_hdr,
 							sdata,
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 84444dda194..f51013c07b9 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1171,8 +1171,10 @@ ip_vs_add_service(struct net *net, struct ip_vs_service_user_kern *u,
 		goto out_err;
 	}
 	svc->stats.cpustats = alloc_percpu(struct ip_vs_cpu_stats);
-	if (!svc->stats.cpustats)
+	if (!svc->stats.cpustats) {
+		ret = -ENOMEM;
 		goto out_err;
+	}
 
 	/* I'm the first user of the service */
 	atomic_set(&svc->usecnt, 0);
@@ -2759,6 +2761,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
 	{
 		struct ip_vs_timeout_user t;
 
+		memset(&t, 0, sizeof(t));
 		__ip_vs_get_timeouts(net, &t);
 		if (copy_to_user(user, &t, sizeof(t)) != 0)
 			ret = -EFAULT;
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index cf4875565d6..2ceec64b19f 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -249,12 +249,15 @@ static void death_by_event(unsigned long ul_conntrack)
 {
 	struct nf_conn *ct = (void *)ul_conntrack;
 	struct net *net = nf_ct_net(ct);
+	struct nf_conntrack_ecache *ecache = nf_ct_ecache_find(ct);
+
+	BUG_ON(ecache == NULL);
 
 	if (nf_conntrack_event(IPCT_DESTROY, ct) < 0) {
 		/* bad luck, let's retry again */
-		ct->timeout.expires = jiffies +
+		ecache->timeout.expires = jiffies +
 			(random32() % net->ct.sysctl_events_retry_timeout);
-		add_timer(&ct->timeout);
+		add_timer(&ecache->timeout);
 		return;
 	}
 	/* we've got the event delivered, now it's dying */
@@ -268,6 +271,9 @@ static void death_by_event(unsigned long ul_conntrack)
 void nf_ct_insert_dying_list(struct nf_conn *ct)
 {
 	struct net *net = nf_ct_net(ct);
+	struct nf_conntrack_ecache *ecache = nf_ct_ecache_find(ct);
+
+	BUG_ON(ecache == NULL);
 
 	/* add this conntrack to the dying list */
 	spin_lock_bh(&nf_conntrack_lock);
@@ -275,10 +281,10 @@ void nf_ct_insert_dying_list(struct nf_conn *ct)
 			     &net->ct.dying);
 	spin_unlock_bh(&nf_conntrack_lock);
 	/* set a new timer to retry event delivery */
-	setup_timer(&ct->timeout, death_by_event, (unsigned long)ct);
-	ct->timeout.expires = jiffies +
+	setup_timer(&ecache->timeout, death_by_event, (unsigned long)ct);
+	ecache->timeout.expires = jiffies +
 		(random32() % net->ct.sysctl_events_retry_timeout);
-	add_timer(&ct->timeout);
+	add_timer(&ecache->timeout);
 }
 EXPORT_SYMBOL_GPL(nf_ct_insert_dying_list);
 
diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
index 45cf602a76b..527651a53a4 100644
--- a/net/netfilter/nf_conntrack_expect.c
+++ b/net/netfilter/nf_conntrack_expect.c
@@ -361,23 +361,6 @@ static void evict_oldest_expect(struct nf_conn *master,
 	}
 }
 
-static inline int refresh_timer(struct nf_conntrack_expect *i)
-{
-	struct nf_conn_help *master_help = nfct_help(i->master);
-	const struct nf_conntrack_expect_policy *p;
-
-	if (!del_timer(&i->timeout))
-		return 0;
-
-	p = &rcu_dereference_protected(
-		master_help->helper,
-		lockdep_is_held(&nf_conntrack_lock)
-		)->expect_policy[i->class];
-	i->timeout.expires = jiffies + p->timeout * HZ;
-	add_timer(&i->timeout);
-	return 1;
-}
-
 static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
 {
 	const struct nf_conntrack_expect_policy *p;
@@ -386,7 +369,7 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
 	struct nf_conn_help *master_help = nfct_help(master);
 	struct nf_conntrack_helper *helper;
 	struct net *net = nf_ct_exp_net(expect);
-	struct hlist_node *n;
+	struct hlist_node *n, *next;
 	unsigned int h;
 	int ret = 1;
 
@@ -395,12 +378,12 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
 		goto out;
 	}
 	h = nf_ct_expect_dst_hash(&expect->tuple);
-	hlist_for_each_entry(i, n, &net->ct.expect_hash[h], hnode) {
+	hlist_for_each_entry_safe(i, n, next, &net->ct.expect_hash[h], hnode) {
 		if (expect_matches(i, expect)) {
-			/* Refresh timer: if it's dying, ignore.. */
-			if (refresh_timer(i)) {
-				ret = 0;
-				goto out;
+			if (del_timer(&i->timeout)) {
+				nf_ct_unlink_expect(i);
+				nf_ct_expect_put(i);
+				break;
 			}
 		} else if (expect_clash(i, expect)) {
 			ret = -EBUSY;
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 14f67a2cbcb..9807f3278fc 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1896,10 +1896,15 @@ static int
 ctnetlink_nfqueue_parse(const struct nlattr *attr, struct nf_conn *ct)
 {
 	struct nlattr *cda[CTA_MAX+1];
+	int ret;
 
 	nla_parse_nested(cda, CTA_MAX, attr, ct_nla_policy);
 
-	return ctnetlink_nfqueue_parse_ct((const struct nlattr **)cda, ct);
+	spin_lock_bh(&nf_conntrack_lock);
+	ret = ctnetlink_nfqueue_parse_ct((const struct nlattr **)cda, ct);
+	spin_unlock_bh(&nf_conntrack_lock);
+
+	return ret;
 }
 
 static struct nfq_ct_hook ctnetlink_nfqueue_hook = {
@@ -2785,7 +2790,8 @@ static int __init ctnetlink_init(void)
 		goto err_unreg_subsys;
 	}
 
-	if (register_pernet_subsys(&ctnetlink_net_ops)) {
+	ret = register_pernet_subsys(&ctnetlink_net_ops);
+	if (ret < 0) {
 		pr_err("ctnetlink_init: cannot register pernet operations\n");
 		goto err_unreg_exp_subsys;
 	}
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index a5ac11ebef3..e046b3756aa 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -158,21 +158,18 @@ static const u8 tcp_conntracks[2][6][TCP_CONNTRACK_MAX] = {
  *	sCL -> sSS
  */
 /* 	     sNO, sSS, sSR, sES, sFW, sCW, sLA, sTW, sCL, sS2	*/
-/*synack*/ { sIV, sIV, sIG, sIG, sIG, sIG, sIG, sIG, sIG, sSR },
+/*synack*/ { sIV, sIV, sSR, sIV, sIV, sIV, sIV, sIV, sIV, sSR },
 /*
  *	sNO -> sIV	Too late and no reason to do anything
  *	sSS -> sIV	Client can't send SYN and then SYN/ACK
  *	sS2 -> sSR	SYN/ACK sent to SYN2 in simultaneous open
- *	sSR -> sIG
- *	sES -> sIG	Error: SYNs in window outside the SYN_SENT state
- *			are errors. Receiver will reply with RST
- *			and close the connection.
- *			Or we are not in sync and hold a dead connection.
- *	sFW -> sIG
- *	sCW -> sIG
- *	sLA -> sIG
- *	sTW -> sIG
- *	sCL -> sIG
+ *	sSR -> sSR	Late retransmitted SYN/ACK in simultaneous open
+ *	sES -> sIV	Invalid SYN/ACK packets sent by the client
+ *	sFW -> sIV
+ *	sCW -> sIV
+ *	sLA -> sIV
+ *	sTW -> sIV
+ *	sCL -> sIV
  */
 /* 	     sNO, sSS, sSR, sES, sFW, sCW, sLA, sTW, sCL, sS2	*/
 /*fin*/    { sIV, sIV, sFW, sFW, sLA, sLA, sLA, sTW, sCL, sIV },
@@ -633,15 +630,9 @@ static bool tcp_in_window(const struct nf_conn *ct,
 		ack = sack = receiver->td_end;
 	}
 
-	if (seq == end
-	    && (!tcph->rst
-		|| (seq == 0 && state->state == TCP_CONNTRACK_SYN_SENT)))
+	if (tcph->rst && seq == 0 && state->state == TCP_CONNTRACK_SYN_SENT)
 		/*
-		 * Packets contains no data: we assume it is valid
-		 * and check the ack value only.
-		 * However RST segments are always validated by their
-		 * SEQ number, except when seq == 0 (reset sent answering
-		 * SYN.
+		 * RST sent answering SYN.
 		 */
 		seq = end = sender->td_end;
 
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 758a1bacc12..5c0a112aeee 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -183,12 +183,12 @@ static int media_len(const struct nf_conn *ct, const char *dptr,
 	return len + digits_len(ct, dptr, limit, shift);
 }
 
-static int parse_addr(const struct nf_conn *ct, const char *cp,
-                      const char **endp, union nf_inet_addr *addr,
-                      const char *limit)
+static int sip_parse_addr(const struct nf_conn *ct, const char *cp,
+			  const char **endp, union nf_inet_addr *addr,
+			  const char *limit, bool delim)
 {
 	const char *end;
-	int ret = 0;
+	int ret;
 
 	if (!ct)
 		return 0;
@@ -197,16 +197,28 @@ static int parse_addr(const struct nf_conn *ct, const char *cp,
 	switch (nf_ct_l3num(ct)) {
 	case AF_INET:
 		ret = in4_pton(cp, limit - cp, (u8 *)&addr->ip, -1, &end);
+		if (ret == 0)
+			return 0;
 		break;
 	case AF_INET6:
+		if (cp < limit && *cp == '[')
+			cp++;
+		else if (delim)
+			return 0;
+
 		ret = in6_pton(cp, limit - cp, (u8 *)&addr->ip6, -1, &end);
+		if (ret == 0)
+			return 0;
+
+		if (end < limit && *end == ']')
+			end++;
+		else if (delim)
+			return 0;
 		break;
 	default:
 		BUG();
 	}
 
-	if (ret == 0 || end == cp)
-		return 0;
 	if (endp)
 		*endp = end;
 	return 1;
@@ -219,7 +231,7 @@ static int epaddr_len(const struct nf_conn *ct, const char *dptr,
 	union nf_inet_addr addr;
 	const char *aux = dptr;
 
-	if (!parse_addr(ct, dptr, &dptr, &addr, limit)) {
+	if (!sip_parse_addr(ct, dptr, &dptr, &addr, limit, true)) {
 		pr_debug("ip: %s parse failed.!\n", dptr);
 		return 0;
 	}
@@ -296,7 +308,7 @@ int ct_sip_parse_request(const struct nf_conn *ct,
 		return 0;
 	dptr += shift;
 
-	if (!parse_addr(ct, dptr, &end, addr, limit))
+	if (!sip_parse_addr(ct, dptr, &end, addr, limit, true))
 		return -1;
 	if (end < limit && *end == ':') {
 		end++;
@@ -550,7 +562,7 @@ int ct_sip_parse_header_uri(const struct nf_conn *ct, const char *dptr,
 	if (ret == 0)
 		return ret;
 
-	if (!parse_addr(ct, dptr + *matchoff, &c, addr, limit))
+	if (!sip_parse_addr(ct, dptr + *matchoff, &c, addr, limit, true))
 		return -1;
 	if (*c == ':') {
 		c++;
@@ -599,7 +611,7 @@ int ct_sip_parse_address_param(const struct nf_conn *ct, const char *dptr,
 			       unsigned int dataoff, unsigned int datalen,
 			       const char *name,
 			       unsigned int *matchoff, unsigned int *matchlen,
-			       union nf_inet_addr *addr)
+			       union nf_inet_addr *addr, bool delim)
 {
 	const char *limit = dptr + datalen;
 	const char *start, *end;
@@ -613,7 +625,7 @@ int ct_sip_parse_address_param(const struct nf_conn *ct, const char *dptr,
 		return 0;
 
 	start += strlen(name);
-	if (!parse_addr(ct, start, &end, addr, limit))
+	if (!sip_parse_addr(ct, start, &end, addr, limit, delim))
 		return 0;
 	*matchoff = start - dptr;
 	*matchlen = end - start;
@@ -675,6 +687,47 @@ static int ct_sip_parse_transport(struct nf_conn *ct, const char *dptr,
 	return 1;
 }
 
+static int sdp_parse_addr(const struct nf_conn *ct, const char *cp,
+			  const char **endp, union nf_inet_addr *addr,
+			  const char *limit)
+{
+	const char *end;
+	int ret;
+
+	memset(addr, 0, sizeof(*addr));
+	switch (nf_ct_l3num(ct)) {
+	case AF_INET:
+		ret = in4_pton(cp, limit - cp, (u8 *)&addr->ip, -1, &end);
+		break;
+	case AF_INET6:
+		ret = in6_pton(cp, limit - cp, (u8 *)&addr->ip6, -1, &end);
+		break;
+	default:
+		BUG();
+	}
+
+	if (ret == 0)
+		return 0;
+	if (endp)
+		*endp = end;
+	return 1;
+}
+
+/* skip ip address. returns its length. */
+static int sdp_addr_len(const struct nf_conn *ct, const char *dptr,
+			const char *limit, int *shift)
+{
+	union nf_inet_addr addr;
+	const char *aux = dptr;
+
+	if (!sdp_parse_addr(ct, dptr, &dptr, &addr, limit)) {
+		pr_debug("ip: %s parse failed.!\n", dptr);
+		return 0;
+	}
+
+	return dptr - aux;
+}
+
 /* SDP header parsing: a SDP session description contains an ordered set of
  * headers, starting with a section containing general session parameters,
  * optionally followed by multiple media descriptions.
@@ -686,10 +739,10 @@ static int ct_sip_parse_transport(struct nf_conn *ct, const char *dptr,
  */
 static const struct sip_header ct_sdp_hdrs[] = {
 	[SDP_HDR_VERSION]		= SDP_HDR("v=", NULL, digits_len),
-	[SDP_HDR_OWNER_IP4]		= SDP_HDR("o=", "IN IP4 ", epaddr_len),
-	[SDP_HDR_CONNECTION_IP4]	= SDP_HDR("c=", "IN IP4 ", epaddr_len),
-	[SDP_HDR_OWNER_IP6]		= SDP_HDR("o=", "IN IP6 ", epaddr_len),
-	[SDP_HDR_CONNECTION_IP6]	= SDP_HDR("c=", "IN IP6 ", epaddr_len),
+	[SDP_HDR_OWNER_IP4]		= SDP_HDR("o=", "IN IP4 ", sdp_addr_len),
+	[SDP_HDR_CONNECTION_IP4]	= SDP_HDR("c=", "IN IP4 ", sdp_addr_len),
+	[SDP_HDR_OWNER_IP6]		= SDP_HDR("o=", "IN IP6 ", sdp_addr_len),
+	[SDP_HDR_CONNECTION_IP6]	= SDP_HDR("c=", "IN IP6 ", sdp_addr_len),
 	[SDP_HDR_MEDIA]			= SDP_HDR("m=", NULL, media_len),
 };
 
@@ -775,8 +828,8 @@ static int ct_sip_parse_sdp_addr(const struct nf_conn *ct, const char *dptr,
 	if (ret <= 0)
 		return ret;
 
-	if (!parse_addr(ct, dptr + *matchoff, NULL, addr,
-			dptr + *matchoff + *matchlen))
+	if (!sdp_parse_addr(ct, dptr + *matchoff, NULL, addr,
+			    dptr + *matchoff + *matchlen))
 		return -1;
 	return 1;
 }
@@ -1515,7 +1568,6 @@ static int sip_help_udp(struct sk_buff *skb, unsigned int protoff,
 }
 
 static struct nf_conntrack_helper sip[MAX_PORTS][4] __read_mostly;
-static char sip_names[MAX_PORTS][4][sizeof("sip-65535")] __read_mostly;
 
 static const struct nf_conntrack_expect_policy sip_exp_policy[SIP_EXPECT_MAX + 1] = {
 	[SIP_EXPECT_SIGNALLING] = {
@@ -1585,9 +1637,9 @@ static int __init nf_conntrack_sip_init(void)
 			sip[i][j].me = THIS_MODULE;
 
 			if (ports[i] == SIP_PORT)
-				sprintf(sip_names[i][j], "sip");
+				sprintf(sip[i][j].name, "sip");
 			else
-				sprintf(sip_names[i][j], "sip-%u", i);
+				sprintf(sip[i][j].name, "sip-%u", i);
 
 			pr_debug("port #%u: %u\n", i, ports[i]);
 
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 169ab59ed9d..5cfb5bedb2b 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -381,6 +381,7 @@ __build_packet_message(struct nfulnl_instance *inst,
 	struct nlmsghdr *nlh;
 	struct nfgenmsg *nfmsg;
 	sk_buff_data_t old_tail = inst->skb->tail;
+	struct sock *sk;
 
 	nlh = nlmsg_put(inst->skb, 0, 0,
 			NFNL_SUBSYS_ULOG << 8 | NFULNL_MSG_PACKET,
@@ -480,7 +481,7 @@ __build_packet_message(struct nfulnl_instance *inst,
 	}
 
 	if (indev && skb_mac_header_was_set(skb)) {
-		if (nla_put_be32(inst->skb, NFULA_HWTYPE, htons(skb->dev->type)) ||
+		if (nla_put_be16(inst->skb, NFULA_HWTYPE, htons(skb->dev->type)) ||
 		    nla_put_be16(inst->skb, NFULA_HWLEN,
 				 htons(skb->dev->hard_header_len)) ||
 		    nla_put(inst->skb, NFULA_HWHEADER, skb->dev->hard_header_len,
@@ -499,18 +500,19 @@ __build_packet_message(struct nfulnl_instance *inst,
 	}
 
 	/* UID */
-	if (skb->sk) {
-		read_lock_bh(&skb->sk->sk_callback_lock);
-		if (skb->sk->sk_socket && skb->sk->sk_socket->file) {
-			struct file *file = skb->sk->sk_socket->file;
+	sk = skb->sk;
+	if (sk && sk->sk_state != TCP_TIME_WAIT) {
+		read_lock_bh(&sk->sk_callback_lock);
+		if (sk->sk_socket && sk->sk_socket->file) {
+			struct file *file = sk->sk_socket->file;
 			__be32 uid = htonl(file->f_cred->fsuid);
 			__be32 gid = htonl(file->f_cred->fsgid);
-			read_unlock_bh(&skb->sk->sk_callback_lock);
+			read_unlock_bh(&sk->sk_callback_lock);
 			if (nla_put_be32(inst->skb, NFULA_UID, uid) ||
 			    nla_put_be32(inst->skb, NFULA_GID, gid))
 				goto nla_put_failure;
 		} else
-			read_unlock_bh(&skb->sk->sk_callback_lock);
+			read_unlock_bh(&sk->sk_callback_lock);
 	}
 
 	/* local sequence number */
@@ -996,8 +998,10 @@ static int __init nfnetlink_log_init(void)
 
 #ifdef CONFIG_PROC_FS
 	if (!proc_create("nfnetlink_log", 0440,
-			 proc_net_netfilter, &nful_file_ops))
+			 proc_net_netfilter, &nful_file_ops)) {
+		status = -ENOMEM;
 		goto cleanup_logger;
+	}
 #endif
 	return status;
 
diff --git a/net/netfilter/xt_LOG.c b/net/netfilter/xt_LOG.c
index ff5f75fddb1..91e9af4d1f4 100644
--- a/net/netfilter/xt_LOG.c
+++ b/net/netfilter/xt_LOG.c
@@ -145,6 +145,19 @@ static int dump_tcp_header(struct sbuff *m, const struct sk_buff *skb,
 	return 0;
 }
 
+static void dump_sk_uid_gid(struct sbuff *m, struct sock *sk)
+{
+	if (!sk || sk->sk_state == TCP_TIME_WAIT)
+		return;
+
+	read_lock_bh(&sk->sk_callback_lock);
+	if (sk->sk_socket && sk->sk_socket->file)
+		sb_add(m, "UID=%u GID=%u ",
+			sk->sk_socket->file->f_cred->fsuid,
+			sk->sk_socket->file->f_cred->fsgid);
+	read_unlock_bh(&sk->sk_callback_lock);
+}
+
 /* One level of recursion won't kill us */
 static void dump_ipv4_packet(struct sbuff *m,
 			const struct nf_loginfo *info,
@@ -361,14 +374,8 @@ static void dump_ipv4_packet(struct sbuff *m,
 	}
 
 	/* Max length: 15 "UID=4294967295 " */
-	if ((logflags & XT_LOG_UID) && !iphoff && skb->sk) {
-		read_lock_bh(&skb->sk->sk_callback_lock);
-		if (skb->sk->sk_socket && skb->sk->sk_socket->file)
-			sb_add(m, "UID=%u GID=%u ",
-				skb->sk->sk_socket->file->f_cred->fsuid,
-				skb->sk->sk_socket->file->f_cred->fsgid);
-		read_unlock_bh(&skb->sk->sk_callback_lock);
-	}
+	if ((logflags & XT_LOG_UID) && !iphoff)
+		dump_sk_uid_gid(m, skb->sk);
 
 	/* Max length: 16 "MARK=0xFFFFFFFF " */
 	if (!iphoff && skb->mark)
@@ -436,8 +443,8 @@ log_packet_common(struct sbuff *m,
 		  const struct nf_loginfo *loginfo,
 		  const char *prefix)
 {
-	sb_add(m, "<%d>%sIN=%s OUT=%s ", loginfo->u.log.level,
-	       prefix,
+	sb_add(m, KERN_SOH "%c%sIN=%s OUT=%s ",
+	       '0' + loginfo->u.log.level, prefix,
 	       in ? in->name : "",
 	       out ? out->name : "");
 #ifdef CONFIG_BRIDGE_NETFILTER
@@ -717,14 +724,8 @@ static void dump_ipv6_packet(struct sbuff *m,
 	}
 
 	/* Max length: 15 "UID=4294967295 " */
-	if ((logflags & XT_LOG_UID) && recurse && skb->sk) {
-		read_lock_bh(&skb->sk->sk_callback_lock);
-		if (skb->sk->sk_socket && skb->sk->sk_socket->file)
-			sb_add(m, "UID=%u GID=%u ",
-				skb->sk->sk_socket->file->f_cred->fsuid,
-				skb->sk->sk_socket->file->f_cred->fsgid);
-		read_unlock_bh(&skb->sk->sk_callback_lock);
-	}
+	if ((logflags & XT_LOG_UID) && recurse)
+		dump_sk_uid_gid(m, skb->sk);
 
 	/* Max length: 16 "MARK=0xFFFFFFFF " */
 	if (!recurse && skb->mark)
diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c
index 5c22ce8ab30..a4c1e4528ca 100644
--- a/net/netfilter/xt_limit.c
+++ b/net/netfilter/xt_limit.c
@@ -117,11 +117,11 @@ static int limit_mt_check(const struct xt_mtchk_param *par)
 
 	/* For SMP, we only want to use one set of state. */
 	r->master = priv;
+	/* User avg in seconds * XT_LIMIT_SCALE: convert to jiffies *
+	   128. */
+	priv->prev = jiffies;
+	priv->credit = user2credits(r->avg * r->burst); /* Credits full. */
 	if (r->cost == 0) {
-		/* User avg in seconds * XT_LIMIT_SCALE: convert to jiffies *
-		   128. */
-		priv->prev = jiffies;
-		priv->credit = user2credits(r->avg * r->burst); /* Credits full. */
 		r->credit_cap = priv->credit; /* Credits full. */
 		r->cost = user2credits(r->avg);
 	}
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 5463969da45..527023823b5 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1362,7 +1362,7 @@ static int netlink_sendmsg(struct kiocb *kiocb, struct socket *sock,
 	if (NULL == siocb->scm)
 		siocb->scm = &scm;
 
-	err = scm_send(sock, msg, siocb->scm);
+	err = scm_send(sock, msg, siocb->scm, true);
 	if (err < 0)
 		return err;
 
@@ -1373,7 +1373,8 @@ static int netlink_sendmsg(struct kiocb *kiocb, struct socket *sock,
 		dst_pid = addr->nl_pid;
 		dst_group = ffs(addr->nl_groups);
 		err =  -EPERM;
-		if (dst_group && !netlink_capable(sock, NL_NONROOT_SEND))
+		if ((dst_group || dst_pid) &&
+		    !netlink_capable(sock, NL_NONROOT_SEND))
 			goto out;
 	} else {
 		dst_pid = nlk->dst_pid;
@@ -2147,6 +2148,7 @@ static void __init netlink_add_usersock_entry(void)
 	rcu_assign_pointer(nl_table[NETLINK_USERSOCK].listeners, listeners);
 	nl_table[NETLINK_USERSOCK].module = THIS_MODULE;
 	nl_table[NETLINK_USERSOCK].registered = 1;
+	nl_table[NETLINK_USERSOCK].nl_nonroot = NL_NONROOT_SEND;
 
 	netlink_table_ungrab();
 }
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 06592d8b4a2..7261eb81974 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -601,7 +601,7 @@ static int nr_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 		if (!capable(CAP_NET_BIND_SERVICE)) {
 			dev_put(dev);
 			release_sock(sk);
-			return -EACCES;
+			return -EPERM;
 		}
 		nr->user_addr   = addr->fsa_digipeater[0];
 		nr->source_addr = addr->fsa_ax25.sax25_call;
@@ -1169,7 +1169,12 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock,
 		msg->msg_flags |= MSG_TRUNC;
 	}
 
-	skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
+	er = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
+	if (er < 0) {
+		skb_free_datagram(sk, skb);
+		release_sock(sk);
+		return er;
+	}
 
 	if (sax != NULL) {
 		sax->sax25_family = AF_NETROM;
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index f3f96badf5a..954405ceae9 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -45,7 +45,7 @@ static int make_writable(struct sk_buff *skb, int write_len)
 	return pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
 }
 
-/* remove VLAN header from packet and update csum accrodingly. */
+/* remove VLAN header from packet and update csum accordingly. */
 static int __pop_vlan_tci(struct sk_buff *skb, __be16 *current_tci)
 {
 	struct vlan_hdr *vhdr;
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index d8277d29e71..cf58cedad08 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -425,10 +425,10 @@ static int validate_sample(const struct nlattr *attr,
 static int validate_tp_port(const struct sw_flow_key *flow_key)
 {
 	if (flow_key->eth.type == htons(ETH_P_IP)) {
-		if (flow_key->ipv4.tp.src && flow_key->ipv4.tp.dst)
+		if (flow_key->ipv4.tp.src || flow_key->ipv4.tp.dst)
 			return 0;
 	} else if (flow_key->eth.type == htons(ETH_P_IPV6)) {
-		if (flow_key->ipv6.tp.src && flow_key->ipv6.tp.dst)
+		if (flow_key->ipv6.tp.src || flow_key->ipv6.tp.dst)
 			return 0;
 	}
 
@@ -460,7 +460,7 @@ static int validate_set(const struct nlattr *a,
 		if (flow_key->eth.type != htons(ETH_P_IP))
 			return -EINVAL;
 
-		if (!flow_key->ipv4.addr.src || !flow_key->ipv4.addr.dst)
+		if (!flow_key->ip.proto)
 			return -EINVAL;
 
 		ipv4_key = nla_data(ovs_key);
diff --git a/net/openvswitch/flow.h b/net/openvswitch/flow.h
index 9b75617ca4e..c30df1a10c6 100644
--- a/net/openvswitch/flow.h
+++ b/net/openvswitch/flow.h
@@ -145,15 +145,17 @@ u64 ovs_flow_used_time(unsigned long flow_jiffies);
  *  OVS_KEY_ATTR_PRIORITY      4    --     4      8
  *  OVS_KEY_ATTR_IN_PORT       4    --     4      8
  *  OVS_KEY_ATTR_ETHERNET     12    --     4     16
+ *  OVS_KEY_ATTR_ETHERTYPE     2     2     4      8  (outer VLAN ethertype)
  *  OVS_KEY_ATTR_8021Q         4    --     4      8
- *  OVS_KEY_ATTR_ETHERTYPE     2     2     4      8
+ *  OVS_KEY_ATTR_ENCAP         0    --     4      4  (VLAN encapsulation)
+ *  OVS_KEY_ATTR_ETHERTYPE     2     2     4      8  (inner VLAN ethertype)
  *  OVS_KEY_ATTR_IPV6         40    --     4     44
  *  OVS_KEY_ATTR_ICMPV6        2     2     4      8
  *  OVS_KEY_ATTR_ND           28    --     4     32
  *  -------------------------------------------------
- *  total                                       132
+ *  total                                       144
  */
-#define FLOW_BUFSIZE 132
+#define FLOW_BUFSIZE 144
 
 int ovs_flow_to_nlattrs(const struct sw_flow_key *, struct sk_buff *);
 int ovs_flow_from_nlattrs(struct sw_flow_key *swkey, int *key_lenp,
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ceaca7c134a..c5c9e2a5421 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1079,7 +1079,7 @@ static void *packet_current_rx_frame(struct packet_sock *po,
 	default:
 		WARN(1, "TPACKET version not supported\n");
 		BUG();
-		return 0;
+		return NULL;
 	}
 }
 
@@ -1273,6 +1273,14 @@ static void __fanout_unlink(struct sock *sk, struct packet_sock *po)
 	spin_unlock(&f->lock);
 }
 
+static bool match_fanout_group(struct packet_type *ptype, struct sock * sk)
+{
+	if (ptype->af_packet_priv == (void*)((struct packet_sock *)sk)->fanout)
+		return true;
+
+	return false;
+}
+
 static int fanout_add(struct sock *sk, u16 id, u16 type_flags)
 {
 	struct packet_sock *po = pkt_sk(sk);
@@ -1325,6 +1333,7 @@ static int fanout_add(struct sock *sk, u16 id, u16 type_flags)
 		match->prot_hook.dev = po->prot_hook.dev;
 		match->prot_hook.func = packet_rcv_fanout;
 		match->prot_hook.af_packet_priv = match;
+		match->prot_hook.id_match = match_fanout_group;
 		dev_add_pack(&match->prot_hook);
 		list_add(&match->list, &fanout_list);
 	}
@@ -1936,7 +1945,6 @@ static void tpacket_destruct_skb(struct sk_buff *skb)
 
 	if (likely(po->tx_ring.pg_vec)) {
 		ph = skb_shinfo(skb)->destructor_arg;
-		BUG_ON(__packet_get_status(po, ph) != TP_STATUS_SENDING);
 		BUG_ON(atomic_read(&po->tx_ring.pending) == 0);
 		atomic_dec(&po->tx_ring.pending);
 		__packet_set_status(po, ph, TP_STATUS_AVAILABLE);
diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index f10fb825644..05d60859d8e 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -67,6 +67,9 @@ static int tcf_gact_init(struct nlattr *nla, struct nlattr *est,
 	struct tcf_common *pc;
 	int ret = 0;
 	int err;
+#ifdef CONFIG_GACT_PROB
+	struct tc_gact_p *p_parm = NULL;
+#endif
 
 	if (nla == NULL)
 		return -EINVAL;
@@ -82,6 +85,12 @@ static int tcf_gact_init(struct nlattr *nla, struct nlattr *est,
 #ifndef CONFIG_GACT_PROB
 	if (tb[TCA_GACT_PROB] != NULL)
 		return -EOPNOTSUPP;
+#else
+	if (tb[TCA_GACT_PROB]) {
+		p_parm = nla_data(tb[TCA_GACT_PROB]);
+		if (p_parm->ptype >= MAX_RAND)
+			return -EINVAL;
+	}
 #endif
 
 	pc = tcf_hash_check(parm->index, a, bind, &gact_hash_info);
@@ -103,8 +112,7 @@ static int tcf_gact_init(struct nlattr *nla, struct nlattr *est,
 	spin_lock_bh(&gact->tcf_lock);
 	gact->tcf_action = parm->action;
 #ifdef CONFIG_GACT_PROB
-	if (tb[TCA_GACT_PROB] != NULL) {
-		struct tc_gact_p *p_parm = nla_data(tb[TCA_GACT_PROB]);
+	if (p_parm) {
 		gact->tcfg_paction = p_parm->paction;
 		gact->tcfg_pval    = p_parm->pval;
 		gact->tcfg_ptype   = p_parm->ptype;
@@ -133,7 +141,7 @@ static int tcf_gact(struct sk_buff *skb, const struct tc_action *a,
 
 	spin_lock(&gact->tcf_lock);
 #ifdef CONFIG_GACT_PROB
-	if (gact->tcfg_ptype && gact_rand[gact->tcfg_ptype] != NULL)
+	if (gact->tcfg_ptype)
 		action = gact_rand[gact->tcfg_ptype](gact);
 	else
 		action = gact->tcf_action;
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 60e281ad0f0..58fb3c7aab9 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -185,7 +185,12 @@ err3:
 err2:
 	kfree(tname);
 err1:
-	kfree(pc);
+	if (ret == ACT_P_CREATED) {
+		if (est)
+			gen_kill_estimator(&pc->tcfc_bstats,
+					   &pc->tcfc_rate_est);
+		kfree_rcu(pc, tcfc_rcu);
+	}
 	return err;
 }
 
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index fe81cc18e9e..9c0fd0c7881 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -200,13 +200,12 @@ static int tcf_mirred(struct sk_buff *skb, const struct tc_action *a,
 out:
 	if (err) {
 		m->tcf_qstats.overlimits++;
-		/* should we be asking for packet to be dropped?
-		 * may make sense for redirect case only
-		 */
-		retval = TC_ACT_SHOT;
-	} else {
+		if (m->tcfm_eaction != TCA_EGRESS_MIRROR)
+			retval = TC_ACT_SHOT;
+		else
+			retval = m->tcf_action;
+	} else
 		retval = m->tcf_action;
-	}
 	spin_unlock(&m->tcf_lock);
 
 	return retval;
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 26aa2f6ce25..45c53ab067a 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -74,7 +74,10 @@ static int tcf_pedit_init(struct nlattr *nla, struct nlattr *est,
 		p = to_pedit(pc);
 		keys = kmalloc(ksize, GFP_KERNEL);
 		if (keys == NULL) {
-			kfree(pc);
+			if (est)
+				gen_kill_estimator(&pc->tcfc_bstats,
+						   &pc->tcfc_rate_est);
+			kfree_rcu(pc, tcfc_rcu);
 			return -ENOMEM;
 		}
 		ret = ACT_P_CREATED;
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index 3922f2a2821..3714f60f0b3 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -131,7 +131,10 @@ static int tcf_simp_init(struct nlattr *nla, struct nlattr *est,
 		d = to_defact(pc);
 		ret = alloc_defdata(d, defdata);
 		if (ret < 0) {
-			kfree(pc);
+			if (est)
+				gen_kill_estimator(&pc->tcfc_bstats,
+						   &pc->tcfc_rate_est);
+			kfree_rcu(pc, tcfc_rcu);
 			return ret;
 		}
 		d->tcf_action = parm->action;
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 6aabd77d1cf..564b9fc8efd 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -250,10 +250,11 @@ cbq_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
 			else if ((cl = defmap[res.classid & TC_PRIO_MAX]) == NULL)
 				cl = defmap[TC_PRIO_BESTEFFORT];
 
-			if (cl == NULL || cl->level >= head->level)
+			if (cl == NULL)
 				goto fallback;
 		}
-
+		if (cl->level >= head->level)
+			goto fallback;
 #ifdef CONFIG_NET_CLS_ACT
 		switch (result) {
 		case TC_ACT_QUEUED:
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index 9fc1c62ec80..4e606fcb253 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -191,7 +191,6 @@ static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 
 	if (list_empty(&flow->flowchain)) {
 		list_add_tail(&flow->flowchain, &q->new_flows);
-		codel_vars_init(&flow->cvars);
 		q->new_flow_count++;
 		flow->deficit = q->quantum;
 		flow->dropped = 0;
@@ -418,6 +417,7 @@ static int fq_codel_init(struct Qdisc *sch, struct nlattr *opt)
 			struct fq_codel_flow *flow = q->flows + i;
 
 			INIT_LIST_HEAD(&flow->flowchain);
+			codel_vars_init(&flow->cvars);
 		}
 	}
 	if (sch->limit >= 1)
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index e901583e4ea..d42234c0f13 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -102,9 +102,8 @@ static inline int gred_wred_mode_check(struct Qdisc *sch)
 		if (q == NULL)
 			continue;
 
-		for (n = 0; n < table->DPs; n++)
-			if (table->tab[n] && table->tab[n] != q &&
-			    table->tab[n]->prio == q->prio)
+		for (n = i + 1; n < table->DPs; n++)
+			if (table->tab[n] && table->tab[n]->prio == q->prio)
 				return 1;
 	}
 
@@ -137,6 +136,7 @@ static inline void gred_store_wred_set(struct gred_sched *table,
 				       struct gred_sched_data *q)
 {
 	table->wred_set.qavg = q->vars.qavg;
+	table->wred_set.qidlestart = q->vars.qidlestart;
 }
 
 static inline int gred_use_ecn(struct gred_sched *t)
@@ -176,7 +176,7 @@ static int gred_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 		skb->tc_index = (skb->tc_index & ~GRED_VQ_MASK) | dp;
 	}
 
-	/* sum up all the qaves of prios <= to ours to get the new qave */
+	/* sum up all the qaves of prios < ours to get the new qave */
 	if (!gred_wred_mode(t) && gred_rio_mode(t)) {
 		int i;
 
@@ -260,16 +260,18 @@ static struct sk_buff *gred_dequeue(struct Qdisc *sch)
 		} else {
 			q->backlog -= qdisc_pkt_len(skb);
 
-			if (!q->backlog && !gred_wred_mode(t))
-				red_start_of_idle_period(&q->vars);
+			if (gred_wred_mode(t)) {
+				if (!sch->qstats.backlog)
+					red_start_of_idle_period(&t->wred_set);
+			} else {
+				if (!q->backlog)
+					red_start_of_idle_period(&q->vars);
+			}
 		}
 
 		return skb;
 	}
 
-	if (gred_wred_mode(t) && !red_is_idling(&t->wred_set))
-		red_start_of_idle_period(&t->wred_set);
-
 	return NULL;
 }
 
@@ -291,19 +293,20 @@ static unsigned int gred_drop(struct Qdisc *sch)
 			q->backlog -= len;
 			q->stats.other++;
 
-			if (!q->backlog && !gred_wred_mode(t))
-				red_start_of_idle_period(&q->vars);
+			if (gred_wred_mode(t)) {
+				if (!sch->qstats.backlog)
+					red_start_of_idle_period(&t->wred_set);
+			} else {
+				if (!q->backlog)
+					red_start_of_idle_period(&q->vars);
+			}
 		}
 
 		qdisc_drop(skb, sch);
 		return len;
 	}
 
-	if (gred_wred_mode(t) && !red_is_idling(&t->wred_set))
-		red_start_of_idle_period(&t->wred_set);
-
 	return 0;
-
 }
 
 static void gred_reset(struct Qdisc *sch)
@@ -535,6 +538,7 @@ static int gred_dump(struct Qdisc *sch, struct sk_buff *skb)
 	for (i = 0; i < MAX_DPs; i++) {
 		struct gred_sched_data *q = table->tab[i];
 		struct tc_gred_qopt opt;
+		unsigned long qavg;
 
 		memset(&opt, 0, sizeof(opt));
 
@@ -566,7 +570,9 @@ static int gred_dump(struct Qdisc *sch, struct sk_buff *skb)
 		if (gred_wred_mode(table))
 			gred_load_wred_set(table, q);
 
-		opt.qave = red_calc_qavg(&q->parms, &q->vars, q->vars.qavg);
+		qavg = red_calc_qavg(&q->parms, &q->vars,
+				     q->vars.qavg >> q->parms.Wlog);
+		opt.qave = qavg >> q->parms.Wlog;
 
 append_opt:
 		if (nla_append(skb, sizeof(opt), &opt) < 0)
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index 9af01f3df18..211a2121704 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -203,6 +203,34 @@ out:
 	return index;
 }
 
+/* Length of the next packet (0 if the queue is empty). */
+static unsigned int qdisc_peek_len(struct Qdisc *sch)
+{
+	struct sk_buff *skb;
+
+	skb = sch->ops->peek(sch);
+	return skb ? qdisc_pkt_len(skb) : 0;
+}
+
+static void qfq_deactivate_class(struct qfq_sched *, struct qfq_class *);
+static void qfq_activate_class(struct qfq_sched *q, struct qfq_class *cl,
+			       unsigned int len);
+
+static void qfq_update_class_params(struct qfq_sched *q, struct qfq_class *cl,
+				    u32 lmax, u32 inv_w, int delta_w)
+{
+	int i;
+
+	/* update qfq-specific data */
+	cl->lmax = lmax;
+	cl->inv_w = inv_w;
+	i = qfq_calc_index(cl->inv_w, cl->lmax);
+
+	cl->grp = &q->groups[i];
+
+	q->wsum += delta_w;
+}
+
 static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
 			    struct nlattr **tca, unsigned long *arg)
 {
@@ -250,6 +278,8 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
 		lmax = 1UL << QFQ_MTU_SHIFT;
 
 	if (cl != NULL) {
+		bool need_reactivation = false;
+
 		if (tca[TCA_RATE]) {
 			err = gen_replace_estimator(&cl->bstats, &cl->rate_est,
 						    qdisc_root_sleeping_lock(sch),
@@ -258,12 +288,29 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
 				return err;
 		}
 
-		if (inv_w != cl->inv_w) {
-			sch_tree_lock(sch);
-			q->wsum += delta_w;
-			cl->inv_w = inv_w;
-			sch_tree_unlock(sch);
+		if (lmax == cl->lmax && inv_w == cl->inv_w)
+			return 0; /* nothing to update */
+
+		i = qfq_calc_index(inv_w, lmax);
+		sch_tree_lock(sch);
+		if (&q->groups[i] != cl->grp && cl->qdisc->q.qlen > 0) {
+			/*
+			 * shift cl->F back, to not charge the
+			 * class for the not-yet-served head
+			 * packet
+			 */
+			cl->F = cl->S;
+			/* remove class from its slot in the old group */
+			qfq_deactivate_class(q, cl);
+			need_reactivation = true;
 		}
+
+		qfq_update_class_params(q, cl, lmax, inv_w, delta_w);
+
+		if (need_reactivation) /* activate in new group */
+			qfq_activate_class(q, cl, qdisc_peek_len(cl->qdisc));
+		sch_tree_unlock(sch);
+
 		return 0;
 	}
 
@@ -273,11 +320,8 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
 
 	cl->refcnt = 1;
 	cl->common.classid = classid;
-	cl->lmax = lmax;
-	cl->inv_w = inv_w;
-	i = qfq_calc_index(cl->inv_w, cl->lmax);
 
-	cl->grp = &q->groups[i];
+	qfq_update_class_params(q, cl, lmax, inv_w, delta_w);
 
 	cl->qdisc = qdisc_create_dflt(sch->dev_queue,
 				      &pfifo_qdisc_ops, classid);
@@ -294,7 +338,6 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
 			return err;
 		}
 	}
-	q->wsum += weight;
 
 	sch_tree_lock(sch);
 	qdisc_class_hash_insert(&q->clhash, &cl->common);
@@ -711,15 +754,6 @@ static void qfq_update_eligible(struct qfq_sched *q, u64 old_V)
 	}
 }
 
-/* What is length of next packet in queue (0 if queue is empty) */
-static unsigned int qdisc_peek_len(struct Qdisc *sch)
-{
-	struct sk_buff *skb;
-
-	skb = sch->ops->peek(sch);
-	return skb ? qdisc_pkt_len(skb) : 0;
-}
-
 /*
  * Updates the class, returns true if also the group needs to be updated.
  */
@@ -831,7 +865,10 @@ static void qfq_update_start(struct qfq_sched *q, struct qfq_class *cl)
 		if (mask) {
 			struct qfq_group *next = qfq_ffs(q, mask);
 			if (qfq_gt(roundedF, next->F)) {
-				cl->S = next->F;
+				if (qfq_gt(limit, next->F))
+					cl->S = next->F;
+				else /* preserve timestamp correctness */
+					cl->S = limit;
 				return;
 			}
 		}
@@ -843,11 +880,8 @@ static void qfq_update_start(struct qfq_sched *q, struct qfq_class *cl)
 static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 {
 	struct qfq_sched *q = qdisc_priv(sch);
-	struct qfq_group *grp;
 	struct qfq_class *cl;
 	int err;
-	u64 roundedS;
-	int s;
 
 	cl = qfq_classify(skb, sch, &err);
 	if (cl == NULL) {
@@ -876,11 +910,25 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 		return err;
 
 	/* If reach this point, queue q was idle */
-	grp = cl->grp;
+	qfq_activate_class(q, cl, qdisc_pkt_len(skb));
+
+	return err;
+}
+
+/*
+ * Handle class switch from idle to backlogged.
+ */
+static void qfq_activate_class(struct qfq_sched *q, struct qfq_class *cl,
+			       unsigned int pkt_len)
+{
+	struct qfq_group *grp = cl->grp;
+	u64 roundedS;
+	int s;
+
 	qfq_update_start(q, cl);
 
 	/* compute new finish time and rounded start. */
-	cl->F = cl->S + (u64)qdisc_pkt_len(skb) * cl->inv_w;
+	cl->F = cl->S + (u64)pkt_len * cl->inv_w;
 	roundedS = qfq_round_down(cl->S, grp->slot_shift);
 
 	/*
@@ -917,8 +965,6 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 
 skip_update:
 	qfq_slot_insert(grp, cl, roundedS);
-
-	return err;
 }
 
 
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 838e18b4d7e..be50aa234dc 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -364,6 +364,25 @@ finish:
 	return retval;
 }
 
+static void sctp_packet_release_owner(struct sk_buff *skb)
+{
+	sk_free(skb->sk);
+}
+
+static void sctp_packet_set_owner_w(struct sk_buff *skb, struct sock *sk)
+{
+	skb_orphan(skb);
+	skb->sk = sk;
+	skb->destructor = sctp_packet_release_owner;
+
+	/*
+	 * The data chunks have already been accounted for in sctp_sendmsg(),
+	 * therefore only reserve a single byte to keep socket around until
+	 * the packet has been transmitted.
+	 */
+	atomic_inc(&sk->sk_wmem_alloc);
+}
+
 /* All packets are sent to the network through this function from
  * sctp_outq_tail().
  *
@@ -405,7 +424,7 @@ int sctp_packet_transmit(struct sctp_packet *packet)
 	/* Set the owning socket so that we know where to get the
 	 * destination IP address.
 	 */
-	skb_set_owner_w(nskb, sk);
+	sctp_packet_set_owner_w(nskb, sk);
 
 	if (!sctp_transport_dst_check(tp)) {
 		sctp_transport_route(tp, NULL, sctp_sk(sk));
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index 33d89477619..10c018a5b9f 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -702,7 +702,8 @@ struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(struct sctp_association *asoc,
 	if (rx_count >= asoc->base.sk->sk_rcvbuf) {
 
 		if ((asoc->base.sk->sk_userlocks & SOCK_RCVBUF_LOCK) ||
-		    (!sk_rmem_schedule(asoc->base.sk, chunk->skb->truesize)))
+		    (!sk_rmem_schedule(asoc->base.sk, chunk->skb,
+				       chunk->skb->truesize)))
 			goto fail;
 	}
 
diff --git a/net/socket.c b/net/socket.c
index dfe5b66c97e..edc3c4af908 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2604,7 +2604,7 @@ static int do_siocgstamp(struct net *net, struct socket *sock,
 	err = sock_do_ioctl(net, sock, cmd, (unsigned long)&ktv);
 	set_fs(old_fs);
 	if (!err)
-		err = compat_put_timeval(up, &ktv);
+		err = compat_put_timeval(&ktv, up);
 
 	return err;
 }
@@ -2620,7 +2620,7 @@ static int do_siocgstampns(struct net *net, struct socket *sock,
 	err = sock_do_ioctl(net, sock, cmd, (unsigned long)&kts);
 	set_fs(old_fs);
 	if (!err)
-		err = compat_put_timespec(up, &kts);
+		err = compat_put_timespec(&kts, up);
 
 	return err;
 }
@@ -2657,6 +2657,7 @@ static int dev_ifconf(struct net *net, struct compat_ifconf __user *uifc32)
 	if (copy_from_user(&ifc32, uifc32, sizeof(struct compat_ifconf)))
 		return -EFAULT;
 
+	memset(&ifc, 0, sizeof(ifc));
 	if (ifc32.ifcbuf == 0) {
 		ifc32.ifc_len = 0;
 		ifc.ifc_len = 0;
diff --git a/net/sunrpc/Kconfig b/net/sunrpc/Kconfig
index 9fe8857d8d5..03d03e37a7d 100644
--- a/net/sunrpc/Kconfig
+++ b/net/sunrpc/Kconfig
@@ -21,6 +21,11 @@ config SUNRPC_XPRT_RDMA
 
 	  If unsure, say N.
 
+config SUNRPC_SWAP
+	bool
+	depends on SUNRPC
+	select NETVM
+
 config RPCSEC_GSS_KRB5
 	tristate "Secure RPC: Kerberos V mechanism"
 	depends on SUNRPC && CRYPTO
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index b05df36692f..fa48c60aef2 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -717,6 +717,15 @@ void rpc_task_set_client(struct rpc_task *task, struct rpc_clnt *clnt)
 		atomic_inc(&clnt->cl_count);
 		if (clnt->cl_softrtry)
 			task->tk_flags |= RPC_TASK_SOFT;
+		if (sk_memalloc_socks()) {
+			struct rpc_xprt *xprt;
+
+			rcu_read_lock();
+			xprt = rcu_dereference(clnt->cl_xprt);
+			if (xprt->swapper)
+				task->tk_flags |= RPC_TASK_SWAPPER;
+			rcu_read_unlock();
+		}
 		/* Add to the client's list of all tasks */
 		spin_lock(&clnt->cl_lock);
 		list_add_tail(&task->tk_task, &clnt->cl_tasks);
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 1f19aa15f89..128494ec9a6 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -815,7 +815,10 @@ static void rpc_async_schedule(struct work_struct *work)
 void *rpc_malloc(struct rpc_task *task, size_t size)
 {
 	struct rpc_buffer *buf;
-	gfp_t gfp = RPC_IS_SWAPPER(task) ? GFP_ATOMIC : GFP_NOWAIT;
+	gfp_t gfp = GFP_NOWAIT;
+
+	if (RPC_IS_SWAPPER(task))
+		gfp |= __GFP_MEMALLOC;
 
 	size += sizeof(struct rpc_buffer);
 	if (size <= RPC_BUFFER_MAXSIZE)
@@ -889,7 +892,7 @@ static void rpc_init_task(struct rpc_task *task, const struct rpc_task_setup *ta
 static struct rpc_task *
 rpc_alloc_task(void)
 {
-	return (struct rpc_task *)mempool_alloc(rpc_task_mempool, GFP_NOFS);
+	return (struct rpc_task *)mempool_alloc(rpc_task_mempool, GFP_NOIO);
 }
 
 /*
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 88f2bf67196..bac973a3136 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -316,7 +316,6 @@ static bool svc_xprt_has_something_to_do(struct svc_xprt *xprt)
  */
 void svc_xprt_enqueue(struct svc_xprt *xprt)
 {
-	struct svc_serv	*serv = xprt->xpt_server;
 	struct svc_pool *pool;
 	struct svc_rqst	*rqstp;
 	int cpu;
@@ -362,8 +361,6 @@ void svc_xprt_enqueue(struct svc_xprt *xprt)
 				rqstp, rqstp->rq_xprt);
 		rqstp->rq_xprt = xprt;
 		svc_xprt_get(xprt);
-		rqstp->rq_reserved = serv->sv_max_mesg;
-		atomic_add(rqstp->rq_reserved, &xprt->xpt_reserved);
 		pool->sp_stats.threads_woken++;
 		wake_up(&rqstp->rq_wait);
 	} else {
@@ -640,8 +637,6 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
 	if (xprt) {
 		rqstp->rq_xprt = xprt;
 		svc_xprt_get(xprt);
-		rqstp->rq_reserved = serv->sv_max_mesg;
-		atomic_add(rqstp->rq_reserved, &xprt->xpt_reserved);
 
 		/* As there is a shortage of threads and this request
 		 * had to be queued, don't allow the thread to wait so
@@ -738,6 +733,8 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
 		else
 			len = xprt->xpt_ops->xpo_recvfrom(rqstp);
 		dprintk("svc: got len=%d\n", len);
+		rqstp->rq_reserved = serv->sv_max_mesg;
+		atomic_add(rqstp->rq_reserved, &xprt->xpt_reserved);
 	}
 	svc_xprt_received(xprt);
 
@@ -794,7 +791,8 @@ int svc_send(struct svc_rqst *rqstp)
 
 	/* Grab mutex to serialize outgoing data. */
 	mutex_lock(&xprt->xpt_mutex);
-	if (test_bit(XPT_DEAD, &xprt->xpt_flags))
+	if (test_bit(XPT_DEAD, &xprt->xpt_flags)
+			|| test_bit(XPT_CLOSE, &xprt->xpt_flags))
 		len = -ENOTCONN;
 	else
 		len = xprt->xpt_ops->xpo_sendto(rqstp);
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 18bc130255a..998aa8c1807 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1129,9 +1129,9 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp)
 	if (len >= 0)
 		svsk->sk_tcplen += len;
 	if (len != want) {
+		svc_tcp_save_pages(svsk, rqstp);
 		if (len < 0 && len != -EAGAIN)
 			goto err_other;
-		svc_tcp_save_pages(svsk, rqstp);
 		dprintk("svc: incomplete TCP record (%d of %d)\n",
 			svsk->sk_tcplen, svsk->sk_reclen);
 		goto err_noclose;
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index a5a402a7d21..5d7f61d7559 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -969,11 +969,11 @@ static bool xprt_dynamic_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
 	return false;
 }
 
-static void xprt_alloc_slot(struct rpc_task *task)
+void xprt_alloc_slot(struct rpc_xprt *xprt, struct rpc_task *task)
 {
-	struct rpc_xprt	*xprt = task->tk_xprt;
 	struct rpc_rqst *req;
 
+	spin_lock(&xprt->reserve_lock);
 	if (!list_empty(&xprt->free)) {
 		req = list_entry(xprt->free.next, struct rpc_rqst, rq_list);
 		list_del(&req->rq_list);
@@ -994,12 +994,29 @@ static void xprt_alloc_slot(struct rpc_task *task)
 	default:
 		task->tk_status = -EAGAIN;
 	}
+	spin_unlock(&xprt->reserve_lock);
 	return;
 out_init_req:
 	task->tk_status = 0;
 	task->tk_rqstp = req;
 	xprt_request_init(task, xprt);
+	spin_unlock(&xprt->reserve_lock);
+}
+EXPORT_SYMBOL_GPL(xprt_alloc_slot);
+
+void xprt_lock_and_alloc_slot(struct rpc_xprt *xprt, struct rpc_task *task)
+{
+	/* Note: grabbing the xprt_lock_write() ensures that we throttle
+	 * new slot allocation if the transport is congested (i.e. when
+	 * reconnecting a stream transport or when out of socket write
+	 * buffer space).
+	 */
+	if (xprt_lock_write(xprt, task)) {
+		xprt_alloc_slot(xprt, task);
+		xprt_release_write(xprt, task);
+	}
 }
+EXPORT_SYMBOL_GPL(xprt_lock_and_alloc_slot);
 
 static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
 {
@@ -1083,20 +1100,9 @@ void xprt_reserve(struct rpc_task *task)
 	if (task->tk_rqstp != NULL)
 		return;
 
-	/* Note: grabbing the xprt_lock_write() here is not strictly needed,
-	 * but ensures that we throttle new slot allocation if the transport
-	 * is congested (e.g. if reconnecting or if we're out of socket
-	 * write buffer space).
-	 */
 	task->tk_timeout = 0;
 	task->tk_status = -EAGAIN;
-	if (!xprt_lock_write(xprt, task))
-		return;
-
-	spin_lock(&xprt->reserve_lock);
-	xprt_alloc_slot(task);
-	spin_unlock(&xprt->reserve_lock);
-	xprt_release_write(xprt, task);
+	xprt->ops->alloc_slot(xprt, task);
 }
 
 static inline __be32 xprt_alloc_xid(struct rpc_xprt *xprt)
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 06cdbff79e4..5d9202dc7cb 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -713,6 +713,7 @@ static void xprt_rdma_print_stats(struct rpc_xprt *xprt, struct seq_file *seq)
 static struct rpc_xprt_ops xprt_rdma_procs = {
 	.reserve_xprt		= xprt_rdma_reserve_xprt,
 	.release_xprt		= xprt_release_xprt_cong, /* sunrpc/xprt.c */
+	.alloc_slot		= xprt_alloc_slot,
 	.release_request	= xprt_release_rqst_cong,       /* ditto */
 	.set_retrans_timeout	= xprt_set_retrans_timeout_def, /* ditto */
 	.rpcbind		= rpcb_getport_async,	/* sunrpc/rpcb_clnt.c */
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 926679459e7..a35b8e52e55 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1930,6 +1930,45 @@ out:
 	current->flags &= ~PF_FSTRANS;
 }
 
+#ifdef CONFIG_SUNRPC_SWAP
+static void xs_set_memalloc(struct rpc_xprt *xprt)
+{
+	struct sock_xprt *transport = container_of(xprt, struct sock_xprt,
+			xprt);
+
+	if (xprt->swapper)
+		sk_set_memalloc(transport->inet);
+}
+
+/**
+ * xs_swapper - Tag this transport as being used for swap.
+ * @xprt: transport to tag
+ * @enable: enable/disable
+ *
+ */
+int xs_swapper(struct rpc_xprt *xprt, int enable)
+{
+	struct sock_xprt *transport = container_of(xprt, struct sock_xprt,
+			xprt);
+	int err = 0;
+
+	if (enable) {
+		xprt->swapper++;
+		xs_set_memalloc(xprt);
+	} else if (xprt->swapper) {
+		xprt->swapper--;
+		sk_clear_memalloc(transport->inet);
+	}
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(xs_swapper);
+#else
+static void xs_set_memalloc(struct rpc_xprt *xprt)
+{
+}
+#endif
+
 static void xs_udp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
 {
 	struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
@@ -1954,6 +1993,8 @@ static void xs_udp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
 		transport->sock = sock;
 		transport->inet = sk;
 
+		xs_set_memalloc(xprt);
+
 		write_unlock_bh(&sk->sk_callback_lock);
 	}
 	xs_udp_do_set_buffer_size(xprt);
@@ -2081,6 +2122,8 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
 	if (!xprt_bound(xprt))
 		goto out;
 
+	xs_set_memalloc(xprt);
+
 	/* Tell the socket layer to start connecting... */
 	xprt->stat.connect_count++;
 	xprt->stat.connect_start = jiffies;
@@ -2430,6 +2473,7 @@ static void bc_destroy(struct rpc_xprt *xprt)
 static struct rpc_xprt_ops xs_local_ops = {
 	.reserve_xprt		= xprt_reserve_xprt,
 	.release_xprt		= xs_tcp_release_xprt,
+	.alloc_slot		= xprt_alloc_slot,
 	.rpcbind		= xs_local_rpcbind,
 	.set_port		= xs_local_set_port,
 	.connect		= xs_connect,
@@ -2446,6 +2490,7 @@ static struct rpc_xprt_ops xs_udp_ops = {
 	.set_buffer_size	= xs_udp_set_buffer_size,
 	.reserve_xprt		= xprt_reserve_xprt_cong,
 	.release_xprt		= xprt_release_xprt_cong,
+	.alloc_slot		= xprt_alloc_slot,
 	.rpcbind		= rpcb_getport_async,
 	.set_port		= xs_set_port,
 	.connect		= xs_connect,
@@ -2463,6 +2508,7 @@ static struct rpc_xprt_ops xs_udp_ops = {
 static struct rpc_xprt_ops xs_tcp_ops = {
 	.reserve_xprt		= xprt_reserve_xprt,
 	.release_xprt		= xs_tcp_release_xprt,
+	.alloc_slot		= xprt_lock_and_alloc_slot,
 	.rpcbind		= rpcb_getport_async,
 	.set_port		= xs_set_port,
 	.connect		= xs_connect,
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 79981d97bc9..c5ee4ff6136 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -823,6 +823,34 @@ fail:
 	return NULL;
 }
 
+static int unix_mknod(const char *sun_path, umode_t mode, struct path *res)
+{
+	struct dentry *dentry;
+	struct path path;
+	int err = 0;
+	/*
+	 * Get the parent directory, calculate the hash for last
+	 * component.
+	 */
+	dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0);
+	err = PTR_ERR(dentry);
+	if (IS_ERR(dentry))
+		return err;
+
+	/*
+	 * All right, let's create it.
+	 */
+	err = security_path_mknod(&path, dentry, mode, 0);
+	if (!err) {
+		err = vfs_mknod(path.dentry->d_inode, dentry, mode, 0);
+		if (!err) {
+			res->mnt = mntget(path.mnt);
+			res->dentry = dget(dentry);
+		}
+	}
+	done_path_create(&path, dentry);
+	return err;
+}
 
 static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 {
@@ -831,8 +859,6 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 	struct unix_sock *u = unix_sk(sk);
 	struct sockaddr_un *sunaddr = (struct sockaddr_un *)uaddr;
 	char *sun_path = sunaddr->sun_path;
-	struct dentry *dentry = NULL;
-	struct path path;
 	int err;
 	unsigned int hash;
 	struct unix_address *addr;
@@ -869,43 +895,23 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 	atomic_set(&addr->refcnt, 1);
 
 	if (sun_path[0]) {
-		umode_t mode;
-		err = 0;
-		/*
-		 * Get the parent directory, calculate the hash for last
-		 * component.
-		 */
-		dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0);
-		err = PTR_ERR(dentry);
-		if (IS_ERR(dentry))
-			goto out_mknod_parent;
-
-		/*
-		 * All right, let's create it.
-		 */
-		mode = S_IFSOCK |
+		struct path path;
+		umode_t mode = S_IFSOCK |
 		       (SOCK_INODE(sock)->i_mode & ~current_umask());
-		err = mnt_want_write(path.mnt);
-		if (err)
-			goto out_mknod_dput;
-		err = security_path_mknod(&path, dentry, mode, 0);
-		if (err)
-			goto out_mknod_drop_write;
-		err = vfs_mknod(path.dentry->d_inode, dentry, mode, 0);
-out_mknod_drop_write:
-		mnt_drop_write(path.mnt);
-		if (err)
-			goto out_mknod_dput;
-		mutex_unlock(&path.dentry->d_inode->i_mutex);
-		dput(path.dentry);
-		path.dentry = dentry;
-
+		err = unix_mknod(sun_path, mode, &path);
+		if (err) {
+			if (err == -EEXIST)
+				err = -EADDRINUSE;
+			unix_release_addr(addr);
+			goto out_up;
+		}
 		addr->hash = UNIX_HASH_SIZE;
-	}
-
-	spin_lock(&unix_table_lock);
-
-	if (!sun_path[0]) {
+		hash = path.dentry->d_inode->i_ino & (UNIX_HASH_SIZE-1);
+		spin_lock(&unix_table_lock);
+		u->path = path;
+		list = &unix_socket_table[hash];
+	} else {
+		spin_lock(&unix_table_lock);
 		err = -EADDRINUSE;
 		if (__unix_find_socket_byname(net, sunaddr, addr_len,
 					      sk->sk_type, hash)) {
@@ -914,9 +920,6 @@ out_mknod_drop_write:
 		}
 
 		list = &unix_socket_table[addr->hash];
-	} else {
-		list = &unix_socket_table[dentry->d_inode->i_ino & (UNIX_HASH_SIZE-1)];
-		u->path = path;
 	}
 
 	err = 0;
@@ -930,16 +933,6 @@ out_up:
 	mutex_unlock(&u->readlock);
 out:
 	return err;
-
-out_mknod_dput:
-	dput(dentry);
-	mutex_unlock(&path.dentry->d_inode->i_mutex);
-	path_put(&path);
-out_mknod_parent:
-	if (err == -EEXIST)
-		err = -EADDRINUSE;
-	unix_release_addr(addr);
-	goto out_up;
 }
 
 static void unix_state_double_lock(struct sock *sk1, struct sock *sk2)
@@ -1457,7 +1450,7 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
 	if (NULL == siocb->scm)
 		siocb->scm = &tmp_scm;
 	wait_for_unix_gc();
-	err = scm_send(sock, msg, siocb->scm);
+	err = scm_send(sock, msg, siocb->scm, false);
 	if (err < 0)
 		return err;
 
@@ -1626,7 +1619,7 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
 	if (NULL == siocb->scm)
 		siocb->scm = &tmp_scm;
 	wait_for_unix_gc();
-	err = scm_send(sock, msg, siocb->scm);
+	err = scm_send(sock, msg, siocb->scm, false);
 	if (err < 0)
 		return err;
 
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 31b40cc4a9c..dcd64d5b07a 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -952,6 +952,11 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
 		 */
 		synchronize_rcu();
 		INIT_LIST_HEAD(&wdev->list);
+		/*
+		 * Ensure that all events have been processed and
+		 * freed.
+		 */
+		cfg80211_process_wdev_events(wdev);
 		break;
 	case NETDEV_PRE_UP:
 		if (!(wdev->wiphy->interface_modes & BIT(wdev->iftype)))
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 5206c6844fd..bc7430b5477 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -426,6 +426,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
 			  struct net_device *dev, enum nl80211_iftype ntype,
 			  u32 *flags, struct vif_params *params);
 void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
+void cfg80211_process_wdev_events(struct wireless_dev *wdev);
 
 int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
 				 struct wireless_dev *wdev,
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 97026f3b215..1e37dbf00cb 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5633,8 +5633,10 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
 		       sizeof(connect.ht_capa_mask));
 
 	if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
-		if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
+		if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
+			kfree(connkeys);
 			return -EINVAL;
+		}
 		memcpy(&connect.ht_capa,
 		       nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
 		       sizeof(connect.ht_capa));
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 2303ee73b50..72d170ca340 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -350,6 +350,9 @@ static void reg_regdb_search(struct work_struct *work)
 	struct reg_regdb_search_request *request;
 	const struct ieee80211_regdomain *curdom, *regdom;
 	int i, r;
+	bool set_reg = false;
+
+	mutex_lock(&cfg80211_mutex);
 
 	mutex_lock(&reg_regdb_search_mutex);
 	while (!list_empty(&reg_regdb_search_list)) {
@@ -365,9 +368,7 @@ static void reg_regdb_search(struct work_struct *work)
 				r = reg_copy_regd(&regdom, curdom);
 				if (r)
 					break;
-				mutex_lock(&cfg80211_mutex);
-				set_regdom(regdom);
-				mutex_unlock(&cfg80211_mutex);
+				set_reg = true;
 				break;
 			}
 		}
@@ -375,6 +376,11 @@ static void reg_regdb_search(struct work_struct *work)
 		kfree(request);
 	}
 	mutex_unlock(&reg_regdb_search_mutex);
+
+	if (set_reg)
+		set_regdom(regdom);
+
+	mutex_unlock(&cfg80211_mutex);
 }
 
 static DECLARE_WORK(reg_regdb_work, reg_regdb_search);
@@ -680,6 +686,8 @@ static u32 map_regdom_flags(u32 rd_flags)
 		channel_flags |= IEEE80211_CHAN_NO_IBSS;
 	if (rd_flags & NL80211_RRF_DFS)
 		channel_flags |= IEEE80211_CHAN_RADAR;
+	if (rd_flags & NL80211_RRF_NO_OFDM)
+		channel_flags |= IEEE80211_CHAN_NO_OFDM;
 	return channel_flags;
 }
 
@@ -901,7 +909,21 @@ static void handle_channel(struct wiphy *wiphy,
 	chan->max_antenna_gain = min(chan->orig_mag,
 		(int) MBI_TO_DBI(power_rule->max_antenna_gain));
 	chan->max_reg_power = (int) MBM_TO_DBM(power_rule->max_eirp);
-	chan->max_power = min(chan->max_power, chan->max_reg_power);
+	if (chan->orig_mpwr) {
+		/*
+		 * Devices that have their own custom regulatory domain
+		 * but also use WIPHY_FLAG_STRICT_REGULATORY will follow the
+		 * passed country IE power settings.
+		 */
+		if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&
+		    wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY &&
+		    wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY)
+			chan->max_power = chan->max_reg_power;
+		else
+			chan->max_power = min(chan->orig_mpwr,
+					      chan->max_reg_power);
+	} else
+		chan->max_power = chan->max_reg_power;
 }
 
 static void handle_band(struct wiphy *wiphy,
@@ -1885,6 +1907,7 @@ static void restore_custom_reg_settings(struct wiphy *wiphy)
 			chan->flags = chan->orig_flags;
 			chan->max_antenna_gain = chan->orig_mag;
 			chan->max_power = chan->orig_mpwr;
+			chan->beacon_found = false;
 		}
 	}
 }
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 26f8cd30f71..994e2f0cc7a 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -735,7 +735,7 @@ void cfg80211_upload_connect_keys(struct wireless_dev *wdev)
 	wdev->connect_keys = NULL;
 }
 
-static void cfg80211_process_wdev_events(struct wireless_dev *wdev)
+void cfg80211_process_wdev_events(struct wireless_dev *wdev)
 {
 	struct cfg80211_event *ev;
 	unsigned long flags;
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 54a0dc2e2f8..ab2bb42fe09 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -212,7 +212,7 @@ resume:
 		/* only the first xfrm gets the encap type */
 		encap_type = 0;
 
-		if (async && x->repl->check(x, skb, seq)) {
+		if (async && x->repl->recheck(x, skb, seq)) {
 			XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATESEQERROR);
 			goto drop_unlock;
 		}
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index c5a5165a592..387848e9007 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -585,6 +585,7 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl)
 	xfrm_pol_hold(policy);
 	net->xfrm.policy_count[dir]++;
 	atomic_inc(&flow_cache_genid);
+	rt_genid_bump(net);
 	if (delpol)
 		__xfrm_policy_unlink(delpol, dir);
 	policy->index = delpol ? delpol->index : xfrm_gen_index(net, dir);
@@ -1357,6 +1358,8 @@ static inline struct xfrm_dst *xfrm_alloc_dst(struct net *net, int family)
 
 		memset(dst + 1, 0, sizeof(*xdst) - sizeof(*dst));
 		xdst->flo.ops = &xfrm_bundle_fc_ops;
+		if (afinfo->init_dst)
+			afinfo->init_dst(net, xdst);
 	} else
 		xdst = ERR_PTR(-ENOBUFS);
 
@@ -1761,7 +1764,7 @@ static struct dst_entry *make_blackhole(struct net *net, u16 family,
 
 	if (!afinfo) {
 		dst_release(dst_orig);
-		ret = ERR_PTR(-EINVAL);
+		return ERR_PTR(-EINVAL);
 	} else {
 		ret = afinfo->blackhole_route(net, dst_orig);
 	}
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index 2f6d11d04a2..3efb07d3eb2 100644
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -420,6 +420,18 @@ err:
 	return -EINVAL;
 }
 
+static int xfrm_replay_recheck_esn(struct xfrm_state *x,
+				   struct sk_buff *skb, __be32 net_seq)
+{
+	if (unlikely(XFRM_SKB_CB(skb)->seq.input.hi !=
+		     htonl(xfrm_replay_seqhi(x, net_seq)))) {
+			x->stats.replay_window++;
+			return -EINVAL;
+	}
+
+	return xfrm_replay_check_esn(x, skb, net_seq);
+}
+
 static void xfrm_replay_advance_esn(struct xfrm_state *x, __be32 net_seq)
 {
 	unsigned int bitnr, nr, i;
@@ -479,6 +491,7 @@ static void xfrm_replay_advance_esn(struct xfrm_state *x, __be32 net_seq)
 static struct xfrm_replay xfrm_replay_legacy = {
 	.advance	= xfrm_replay_advance,
 	.check		= xfrm_replay_check,
+	.recheck	= xfrm_replay_check,
 	.notify		= xfrm_replay_notify,
 	.overflow	= xfrm_replay_overflow,
 };
@@ -486,6 +499,7 @@ static struct xfrm_replay xfrm_replay_legacy = {
 static struct xfrm_replay xfrm_replay_bmp = {
 	.advance	= xfrm_replay_advance_bmp,
 	.check		= xfrm_replay_check_bmp,
+	.recheck	= xfrm_replay_check_bmp,
 	.notify		= xfrm_replay_notify_bmp,
 	.overflow	= xfrm_replay_overflow_bmp,
 };
@@ -493,6 +507,7 @@ static struct xfrm_replay xfrm_replay_bmp = {
 static struct xfrm_replay xfrm_replay_esn = {
 	.advance	= xfrm_replay_advance_esn,
 	.check		= xfrm_replay_check_esn,
+	.recheck	= xfrm_replay_recheck_esn,
 	.notify		= xfrm_replay_notify_bmp,
 	.overflow	= xfrm_replay_overflow_esn,
 };
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 5b228f97d4b..210be48d8ae 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -415,8 +415,17 @@ static enum hrtimer_restart xfrm_timer_handler(struct hrtimer * me)
 	if (x->lft.hard_add_expires_seconds) {
 		long tmo = x->lft.hard_add_expires_seconds +
 			x->curlft.add_time - now;
-		if (tmo <= 0)
-			goto expired;
+		if (tmo <= 0) {
+			if (x->xflags & XFRM_SOFT_EXPIRE) {
+				/* enter hard expire without soft expire first?!
+				 * setting a new date could trigger this.
+				 * workarbound: fix x->curflt.add_time by below:
+				 */
+				x->curlft.add_time = now - x->saved_tmo - 1;
+				tmo = x->lft.hard_add_expires_seconds - x->saved_tmo;
+			} else
+				goto expired;
+		}
 		if (tmo < next)
 			next = tmo;
 	}
@@ -433,10 +442,14 @@ static enum hrtimer_restart xfrm_timer_handler(struct hrtimer * me)
 	if (x->lft.soft_add_expires_seconds) {
 		long tmo = x->lft.soft_add_expires_seconds +
 			x->curlft.add_time - now;
-		if (tmo <= 0)
+		if (tmo <= 0) {
 			warn = 1;
-		else if (tmo < next)
+			x->xflags &= ~XFRM_SOFT_EXPIRE;
+		} else if (tmo < next) {
 			next = tmo;
+			x->xflags |= XFRM_SOFT_EXPIRE;
+			x->saved_tmo = tmo;
+		}
 	}
 	if (x->lft.soft_use_expires_seconds) {
 		long tmo = x->lft.soft_use_expires_seconds +
@@ -1981,8 +1994,10 @@ int __xfrm_init_state(struct xfrm_state *x, bool init_replay)
 		goto error;
 
 	x->outer_mode = xfrm_get_mode(x->props.mode, family);
-	if (x->outer_mode == NULL)
+	if (x->outer_mode == NULL) {
+		err = -EPROTONOSUPPORT;
 		goto error;
+	}
 
 	if (init_replay) {
 		err = xfrm_init_replay(x);
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index e75d8e47f35..289f4bf18ff 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -123,9 +123,21 @@ static inline int verify_replay(struct xfrm_usersa_info *p,
 				struct nlattr **attrs)
 {
 	struct nlattr *rt = attrs[XFRMA_REPLAY_ESN_VAL];
+	struct xfrm_replay_state_esn *rs;
 
-	if ((p->flags & XFRM_STATE_ESN) && !rt)
-		return -EINVAL;
+	if (p->flags & XFRM_STATE_ESN) {
+		if (!rt)
+			return -EINVAL;
+
+		rs = nla_data(rt);
+
+		if (rs->bmp_len > XFRMA_REPLAY_ESN_MAX / sizeof(rs->bmp[0]) / 8)
+			return -EINVAL;
+
+		if (nla_len(rt) < xfrm_replay_state_esn_len(rs) &&
+		    nla_len(rt) != sizeof(*rs))
+			return -EINVAL;
+	}
 
 	if (!rt)
 		return 0;
@@ -370,14 +382,15 @@ static inline int xfrm_replay_verify_len(struct xfrm_replay_state_esn *replay_es
 					 struct nlattr *rp)
 {
 	struct xfrm_replay_state_esn *up;
+	int ulen;
 
 	if (!replay_esn || !rp)
 		return 0;
 
 	up = nla_data(rp);
+	ulen = xfrm_replay_state_esn_len(up);
 
-	if (xfrm_replay_state_esn_len(replay_esn) !=
-			xfrm_replay_state_esn_len(up))
+	if (nla_len(rp) < ulen || xfrm_replay_state_esn_len(replay_esn) != ulen)
 		return -EINVAL;
 
 	return 0;
@@ -388,22 +401,28 @@ static int xfrm_alloc_replay_state_esn(struct xfrm_replay_state_esn **replay_esn
 				       struct nlattr *rta)
 {
 	struct xfrm_replay_state_esn *p, *pp, *up;
+	int klen, ulen;
 
 	if (!rta)
 		return 0;
 
 	up = nla_data(rta);
+	klen = xfrm_replay_state_esn_len(up);
+	ulen = nla_len(rta) >= klen ? klen : sizeof(*up);
 
-	p = kmemdup(up, xfrm_replay_state_esn_len(up), GFP_KERNEL);
+	p = kzalloc(klen, GFP_KERNEL);
 	if (!p)
 		return -ENOMEM;
 
-	pp = kmemdup(up, xfrm_replay_state_esn_len(up), GFP_KERNEL);
+	pp = kzalloc(klen, GFP_KERNEL);
 	if (!pp) {
 		kfree(p);
 		return -ENOMEM;
 	}
 
+	memcpy(p, up, ulen);
+	memcpy(pp, up, ulen);
+
 	*replay_esn = p;
 	*preplay_esn = pp;
 
@@ -442,10 +461,11 @@ static void copy_from_user_state(struct xfrm_state *x, struct xfrm_usersa_info *
  * somehow made shareable and move it to xfrm_state.c - JHS
  *
 */
-static void xfrm_update_ae_params(struct xfrm_state *x, struct nlattr **attrs)
+static void xfrm_update_ae_params(struct xfrm_state *x, struct nlattr **attrs,
+				  int update_esn)
 {
 	struct nlattr *rp = attrs[XFRMA_REPLAY_VAL];
-	struct nlattr *re = attrs[XFRMA_REPLAY_ESN_VAL];
+	struct nlattr *re = update_esn ? attrs[XFRMA_REPLAY_ESN_VAL] : NULL;
 	struct nlattr *lt = attrs[XFRMA_LTIME_VAL];
 	struct nlattr *et = attrs[XFRMA_ETIMER_THRESH];
 	struct nlattr *rt = attrs[XFRMA_REPLAY_THRESH];
@@ -555,7 +575,7 @@ static struct xfrm_state *xfrm_state_construct(struct net *net,
 		goto error;
 
 	/* override default values from above */
-	xfrm_update_ae_params(x, attrs);
+	xfrm_update_ae_params(x, attrs, 0);
 
 	return x;
 
@@ -689,6 +709,7 @@ out:
 
 static void copy_to_user_state(struct xfrm_state *x, struct xfrm_usersa_info *p)
 {
+	memset(p, 0, sizeof(*p));
 	memcpy(&p->id, &x->id, sizeof(p->id));
 	memcpy(&p->sel, &x->sel, sizeof(p->sel));
 	memcpy(&p->lft, &x->lft, sizeof(p->lft));
@@ -742,7 +763,7 @@ static int copy_to_user_auth(struct xfrm_algo_auth *auth, struct sk_buff *skb)
 		return -EMSGSIZE;
 
 	algo = nla_data(nla);
-	strcpy(algo->alg_name, auth->alg_name);
+	strncpy(algo->alg_name, auth->alg_name, sizeof(algo->alg_name));
 	memcpy(algo->alg_key, auth->alg_key, (auth->alg_key_len + 7) / 8);
 	algo->alg_key_len = auth->alg_key_len;
 
@@ -878,6 +899,7 @@ static struct sk_buff *xfrm_state_netlink(struct sk_buff *in_skb,
 {
 	struct xfrm_dump_info info;
 	struct sk_buff *skb;
+	int err;
 
 	skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
 	if (!skb)
@@ -888,9 +910,10 @@ static struct sk_buff *xfrm_state_netlink(struct sk_buff *in_skb,
 	info.nlmsg_seq = seq;
 	info.nlmsg_flags = 0;
 
-	if (dump_one_state(x, 0, &info)) {
+	err = dump_one_state(x, 0, &info);
+	if (err) {
 		kfree_skb(skb);
-		return NULL;
+		return ERR_PTR(err);
 	}
 
 	return skb;
@@ -1317,6 +1340,7 @@ static void copy_from_user_policy(struct xfrm_policy *xp, struct xfrm_userpolicy
 
 static void copy_to_user_policy(struct xfrm_policy *xp, struct xfrm_userpolicy_info *p, int dir)
 {
+	memset(p, 0, sizeof(*p));
 	memcpy(&p->sel, &xp->selector, sizeof(p->sel));
 	memcpy(&p->lft, &xp->lft, sizeof(p->lft));
 	memcpy(&p->curlft, &xp->curlft, sizeof(p->curlft));
@@ -1421,6 +1445,7 @@ static int copy_to_user_tmpl(struct xfrm_policy *xp, struct sk_buff *skb)
 		struct xfrm_user_tmpl *up = &vec[i];
 		struct xfrm_tmpl *kp = &xp->xfrm_vec[i];
 
+		memset(up, 0, sizeof(*up));
 		memcpy(&up->id, &kp->id, sizeof(up->id));
 		up->family = kp->encap_family;
 		memcpy(&up->saddr, &kp->saddr, sizeof(up->saddr));
@@ -1546,6 +1571,7 @@ static struct sk_buff *xfrm_policy_netlink(struct sk_buff *in_skb,
 {
 	struct xfrm_dump_info info;
 	struct sk_buff *skb;
+	int err;
 
 	skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
 	if (!skb)
@@ -1556,9 +1582,10 @@ static struct sk_buff *xfrm_policy_netlink(struct sk_buff *in_skb,
 	info.nlmsg_seq = seq;
 	info.nlmsg_flags = 0;
 
-	if (dump_one_policy(xp, dir, 0, &info) < 0) {
+	err = dump_one_policy(xp, dir, 0, &info);
+	if (err) {
 		kfree_skb(skb);
-		return NULL;
+		return ERR_PTR(err);
 	}
 
 	return skb;
@@ -1822,7 +1849,7 @@ static int xfrm_new_ae(struct sk_buff *skb, struct nlmsghdr *nlh,
 		goto out;
 
 	spin_lock_bh(&x->lock);
-	xfrm_update_ae_params(x, attrs);
+	xfrm_update_ae_params(x, attrs, 1);
 	spin_unlock_bh(&x->lock);
 
 	c.event = nlh->nlmsg_type;