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authorJohn W. Linville <linville@tuxdriver.com>2011-04-07 16:45:40 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-04-07 16:45:40 -0400
commitb37e3b6d64358604960b35e8ecbb7aed22e0926e (patch)
treef9673afc2332c15a989d3b32f002363a92ea66e1 /net
parenta90c7a313a1c5b4fc99f987a2ae8f92ab0ae35c7 (diff)
parentbd39a274fb7b43374c797bafdb7f506598f36f77 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Conflicts: drivers/net/wireless/rtlwifi/efuse.c drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c net/bluetooth/mgmt.c
Diffstat (limited to 'net')
-rw-r--r--net/appletalk/ddp.c11
-rw-r--r--net/atm/common.c1
-rw-r--r--net/bridge/br_multicast.c2
-rw-r--r--net/bridge/br_stp_if.c2
-rw-r--r--net/core/dev.c24
-rw-r--r--net/ipv4/arp.c3
-rw-r--r--net/ipv4/fib_frontend.c2
-rw-r--r--net/ipv4/tcp_output.c3
-rw-r--r--net/ipv6/ndisc.c2
-rw-r--r--net/mac80211/key.c7
-rw-r--r--net/mac80211/rc80211_minstrel_ht.c25
-rw-r--r--net/mac80211/rx.c5
-rw-r--r--net/sctp/protocol.c4
-rw-r--r--net/sctp/sm_make_chunk.c4
-rw-r--r--net/wireless/scan.c31
15 files changed, 90 insertions, 36 deletions
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 206e771e82d..956a5302002 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1051,16 +1051,17 @@ static int atalk_release(struct socket *sock)
{
struct sock *sk = sock->sk;
- sock_hold(sk);
- lock_sock(sk);
if (sk) {
+ sock_hold(sk);
+ lock_sock(sk);
+
sock_orphan(sk);
sock->sk = NULL;
atalk_destroy_socket(sk);
- }
- release_sock(sk);
- sock_put(sk);
+ release_sock(sk);
+ sock_put(sk);
+ }
return 0;
}
diff --git a/net/atm/common.c b/net/atm/common.c
index 1b9c52a02cd..22b963d06a1 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -252,6 +252,7 @@ void atm_dev_release_vccs(struct atm_dev *dev)
}
write_unlock_irq(&vcc_sklist_lock);
}
+EXPORT_SYMBOL(atm_dev_release_vccs);
static int adjust_tp(struct atm_trafprm *tp, unsigned char aal)
{
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index f61eb2eff3f..59660c909a7 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1475,7 +1475,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
ip6h->payload_len == 0)
return 0;
- len = ntohs(ip6h->payload_len);
+ len = ntohs(ip6h->payload_len) + sizeof(*ip6h);
if (skb->len < len)
return -EINVAL;
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 5593f5aec94..9b61d09de9b 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -213,7 +213,7 @@ bool br_stp_recalculate_bridge_id(struct net_bridge *br)
/* user has chosen a value so keep it */
if (br->flags & BR_SET_MAC_ADDR)
- return;
+ return false;
list_for_each_entry(p, &br->port_list, list) {
if (addr == br_mac_zero ||
diff --git a/net/core/dev.c b/net/core/dev.c
index 563ddc28139..3da9fb06d47 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1454,6 +1454,27 @@ static inline void net_timestamp_check(struct sk_buff *skb)
__net_timestamp(skb);
}
+static inline bool is_skb_forwardable(struct net_device *dev,
+ struct sk_buff *skb)
+{
+ unsigned int len;
+
+ if (!(dev->flags & IFF_UP))
+ return false;
+
+ len = dev->mtu + dev->hard_header_len + VLAN_HLEN;
+ if (skb->len <= len)
+ return true;
+
+ /* if TSO is enabled, we don't care about the length as the packet
+ * could be forwarded without being segmented before
+ */
+ if (skb_is_gso(skb))
+ return true;
+
+ return false;
+}
+
/**
* dev_forward_skb - loopback an skb to another netif
*
@@ -1477,8 +1498,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
skb_orphan(skb);
nf_reset(skb);
- if (unlikely(!(dev->flags & IFF_UP) ||
- (skb->len > (dev->mtu + dev->hard_header_len + VLAN_HLEN)))) {
+ if (unlikely(!is_skb_forwardable(dev, skb))) {
atomic_long_inc(&dev->rx_dropped);
kfree_skb(skb);
return NET_RX_DROP;
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 090d273d786..1b74d3b6437 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -215,6 +215,9 @@ int arp_mc_map(__be32 addr, u8 *haddr, struct net_device *dev, int dir)
case ARPHRD_INFINIBAND:
ip_ib_mc_map(addr, dev->broadcast, haddr);
return 0;
+ case ARPHRD_IPGRE:
+ ip_ipgre_mc_map(addr, dev->broadcast, haddr);
+ return 0;
default:
if (dir) {
memcpy(haddr, dev->broadcast, dev->addr_len);
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index f116ce8f1b4..451088330bb 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -1068,6 +1068,7 @@ static void ip_fib_net_exit(struct net *net)
fib4_rules_exit(net);
#endif
+ rtnl_lock();
for (i = 0; i < FIB_TABLE_HASHSZ; i++) {
struct fib_table *tb;
struct hlist_head *head;
@@ -1080,6 +1081,7 @@ static void ip_fib_net_exit(struct net *net)
fib_free_table(tb);
}
}
+ rtnl_unlock();
kfree(net->ipv4.fib_table_hash);
}
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index dfa5beb0c1c..8b0d0167e44 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1003,7 +1003,8 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len,
int nlen;
u8 flags;
- BUG_ON(len > skb->len);
+ if (WARN_ON(len > skb->len))
+ return -EINVAL;
nsize = skb_headlen(skb) - len;
if (nsize < 0)
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 0e49c9db3c9..92f952d093d 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -341,6 +341,8 @@ int ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int d
case ARPHRD_INFINIBAND:
ipv6_ib_mc_map(addr, dev->broadcast, buf);
return 0;
+ case ARPHRD_IPGRE:
+ return ipv6_ipgre_mc_map(addr, dev->broadcast, buf);
default:
if (dir) {
memcpy(buf, dev->broadcast, dev->addr_len);
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 8c02469b717..af3c56482c8 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -342,7 +342,7 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
if (IS_ERR(key->u.ccmp.tfm)) {
err = PTR_ERR(key->u.ccmp.tfm);
kfree(key);
- key = ERR_PTR(err);
+ return ERR_PTR(err);
}
break;
case WLAN_CIPHER_SUITE_AES_CMAC:
@@ -360,7 +360,7 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
if (IS_ERR(key->u.aes_cmac.tfm)) {
err = PTR_ERR(key->u.aes_cmac.tfm);
kfree(key);
- key = ERR_PTR(err);
+ return ERR_PTR(err);
}
break;
}
@@ -400,11 +400,12 @@ int ieee80211_key_link(struct ieee80211_key *key,
{
struct ieee80211_key *old_key;
int idx, ret;
- bool pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE;
+ bool pairwise;
BUG_ON(!sdata);
BUG_ON(!key);
+ pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE;
idx = key->conf.keyidx;
key->local = sdata->local;
key->sdata = sdata;
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 8212a8bebf0..dbdebeda097 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -659,18 +659,14 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
struct ieee80211_local *local = hw_to_local(mp->hw);
u16 sta_cap = sta->ht_cap.cap;
+ int n_supported = 0;
int ack_dur;
int stbc;
int i;
/* fall back to the old minstrel for legacy stations */
- if (!sta->ht_cap.ht_supported) {
- msp->is_ht = false;
- memset(&msp->legacy, 0, sizeof(msp->legacy));
- msp->legacy.r = msp->ratelist;
- msp->legacy.sample_table = msp->sample_table;
- return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
- }
+ if (!sta->ht_cap.ht_supported)
+ goto use_legacy;
BUILD_BUG_ON(ARRAY_SIZE(minstrel_mcs_groups) !=
MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS);
@@ -725,7 +721,22 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
mi->groups[i].supported =
mcs->rx_mask[minstrel_mcs_groups[i].streams - 1];
+
+ if (mi->groups[i].supported)
+ n_supported++;
}
+
+ if (!n_supported)
+ goto use_legacy;
+
+ return;
+
+use_legacy:
+ msp->is_ht = false;
+ memset(&msp->legacy, 0, sizeof(msp->legacy));
+ msp->legacy.r = msp->ratelist;
+ msp->legacy.sample_table = msp->sample_table;
+ return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
}
static void
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 82414a63682..fc2ff78582c 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -612,7 +612,8 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw,
skipped++;
continue;
}
- if (!time_after(jiffies, tid_agg_rx->reorder_time[j] +
+ if (skipped &&
+ !time_after(jiffies, tid_agg_rx->reorder_time[j] +
HT_RX_REORDER_BUF_TIMEOUT))
goto set_release_timer;
@@ -2542,7 +2543,6 @@ static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx)
* same TID from the same station
*/
rx->skb = skb;
- rx->flags = 0;
CALL_RXH(ieee80211_rx_h_decrypt)
CALL_RXH(ieee80211_rx_h_check_more_data)
@@ -2613,6 +2613,7 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid)
.sdata = sta->sdata,
.local = sta->local,
.queue = tid,
+ .flags = 0,
};
struct tid_ampdu_rx *tid_agg_rx;
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 152976ec0b7..d5bf91d04f6 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -1205,7 +1205,7 @@ SCTP_STATIC __init int sctp_init(void)
if ((sctp_assoc_hashsize > (64 * 1024)) && order > 0)
continue;
sctp_assoc_hashtable = (struct sctp_hashbucket *)
- __get_free_pages(GFP_ATOMIC, order);
+ __get_free_pages(GFP_ATOMIC|__GFP_NOWARN, order);
} while (!sctp_assoc_hashtable && --order > 0);
if (!sctp_assoc_hashtable) {
pr_err("Failed association hash alloc\n");
@@ -1238,7 +1238,7 @@ SCTP_STATIC __init int sctp_init(void)
if ((sctp_port_hashsize > (64 * 1024)) && order > 0)
continue;
sctp_port_hashtable = (struct sctp_bind_hashbucket *)
- __get_free_pages(GFP_ATOMIC, order);
+ __get_free_pages(GFP_ATOMIC|__GFP_NOWARN, order);
} while (!sctp_port_hashtable && --order > 0);
if (!sctp_port_hashtable) {
pr_err("Failed bind hash alloc\n");
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index de98665db52..b3434cc7d0c 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -3106,10 +3106,10 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
/* create an ASCONF_ACK chunk.
* Based on the definitions of parameters, we know that the size of
- * ASCONF_ACK parameters are less than or equal to the twice of ASCONF
+ * ASCONF_ACK parameters are less than or equal to the fourfold of ASCONF
* parameters.
*/
- asconf_ack = sctp_make_asconf_ack(asoc, serial, chunk_len * 2);
+ asconf_ack = sctp_make_asconf_ack(asoc, serial, chunk_len * 4);
if (!asconf_ack)
goto done;
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index ea427f418f6..fbf6f33ae4d 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -124,6 +124,15 @@ void cfg80211_bss_age(struct cfg80211_registered_device *dev,
}
/* must hold dev->bss_lock! */
+static void __cfg80211_unlink_bss(struct cfg80211_registered_device *dev,
+ struct cfg80211_internal_bss *bss)
+{
+ list_del_init(&bss->list);
+ rb_erase(&bss->rbn, &dev->bss_tree);
+ kref_put(&bss->ref, bss_release);
+}
+
+/* must hold dev->bss_lock! */
void cfg80211_bss_expire(struct cfg80211_registered_device *dev)
{
struct cfg80211_internal_bss *bss, *tmp;
@@ -134,9 +143,7 @@ void cfg80211_bss_expire(struct cfg80211_registered_device *dev)
continue;
if (!time_after(jiffies, bss->ts + IEEE80211_SCAN_RESULT_EXPIRE))
continue;
- list_del(&bss->list);
- rb_erase(&bss->rbn, &dev->bss_tree);
- kref_put(&bss->ref, bss_release);
+ __cfg80211_unlink_bss(dev, bss);
expired = true;
}
@@ -585,16 +592,23 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy,
struct cfg80211_internal_bss *res;
size_t ielen = len - offsetof(struct ieee80211_mgmt,
u.probe_resp.variable);
- size_t privsz = wiphy->bss_priv_size;
+ size_t privsz;
+
+ if (WARN_ON(!mgmt))
+ return NULL;
+
+ if (WARN_ON(!wiphy))
+ return NULL;
if (WARN_ON(wiphy->signal_type == CFG80211_SIGNAL_TYPE_UNSPEC &&
(signal < 0 || signal > 100)))
return NULL;
- if (WARN_ON(!mgmt || !wiphy ||
- len < offsetof(struct ieee80211_mgmt, u.probe_resp.variable)))
+ if (WARN_ON(len < offsetof(struct ieee80211_mgmt, u.probe_resp.variable)))
return NULL;
+ privsz = wiphy->bss_priv_size;
+
res = kzalloc(sizeof(*res) + privsz + ielen, gfp);
if (!res)
return NULL;
@@ -662,11 +676,8 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub)
spin_lock_bh(&dev->bss_lock);
if (!list_empty(&bss->list)) {
- list_del_init(&bss->list);
+ __cfg80211_unlink_bss(dev, bss);
dev->bss_generation++;
- rb_erase(&bss->rbn, &dev->bss_tree);
-
- kref_put(&bss->ref, bss_release);
}
spin_unlock_bh(&dev->bss_lock);
}