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-rw-r--r--net/core/rtnetlink.c8
-rw-r--r--net/ipv4/tcp.c5
-rw-r--r--net/ipv4/tcp_input.c5
-rw-r--r--net/ipv4/tcp_ipv4.c14
-rw-r--r--net/ipv4/tcp_minisocks.c1
-rw-r--r--net/openvswitch/actions.c3
6 files changed, 22 insertions, 14 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 334b930e0de..bc9e380f0ab 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -659,6 +659,12 @@ static void set_operstate(struct net_device *dev, unsigned char transition)
}
}
+static unsigned int rtnl_dev_get_flags(const struct net_device *dev)
+{
+ return (dev->flags & ~(IFF_PROMISC | IFF_ALLMULTI)) |
+ (dev->gflags & (IFF_PROMISC | IFF_ALLMULTI));
+}
+
static unsigned int rtnl_dev_combine_flags(const struct net_device *dev,
const struct ifinfomsg *ifm)
{
@@ -667,7 +673,7 @@ static unsigned int rtnl_dev_combine_flags(const struct net_device *dev,
/* bugwards compatibility: ifi_change == 0 is treated as ~0 */
if (ifm->ifi_change)
flags = (flags & ifm->ifi_change) |
- (dev->flags & ~ifm->ifi_change);
+ (rtnl_dev_get_flags(dev) & ~ifm->ifi_change);
return flags;
}
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 581ecf02c6b..e7e6eeae49c 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2681,7 +2681,10 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
/* Cap the max timeout in ms TCP will retry/retrans
* before giving up and aborting (ETIMEDOUT) a connection.
*/
- icsk->icsk_user_timeout = msecs_to_jiffies(val);
+ if (val < 0)
+ err = -EINVAL;
+ else
+ icsk->icsk_user_timeout = msecs_to_jiffies(val);
break;
default:
err = -ENOPROTOOPT;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 3e07a64ca44..a356e1fecf9 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5475,7 +5475,9 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
if (tp->copied_seq == tp->rcv_nxt &&
len - tcp_header_len <= tp->ucopy.len) {
#ifdef CONFIG_NET_DMA
- if (tcp_dma_try_early_copy(sk, skb, tcp_header_len)) {
+ if (tp->ucopy.task == current &&
+ sock_owned_by_user(sk) &&
+ tcp_dma_try_early_copy(sk, skb, tcp_header_len)) {
copied_early = 1;
eaten = 1;
}
@@ -5603,6 +5605,7 @@ void tcp_finish_connect(struct sock *sk, struct sk_buff *skb)
if (skb != NULL) {
sk->sk_rx_dst = dst_clone(skb_dst(skb));
+ inet_sk(sk)->rx_dst_ifindex = skb->skb_iif;
security_inet_conn_established(sk, skb);
}
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index b6b07c93924..2fbd9921253 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1620,17 +1620,15 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
sock_rps_save_rxhash(sk, skb);
if (sk->sk_rx_dst) {
struct dst_entry *dst = sk->sk_rx_dst;
- if (dst->ops->check(dst, 0) == NULL) {
+ if (inet_sk(sk)->rx_dst_ifindex != skb->skb_iif ||
+ dst->ops->check(dst, 0) == NULL) {
dst_release(dst);
sk->sk_rx_dst = NULL;
}
}
if (unlikely(sk->sk_rx_dst == NULL)) {
- struct inet_sock *icsk = inet_sk(sk);
- struct rtable *rt = skb_rtable(skb);
-
- sk->sk_rx_dst = dst_clone(&rt->dst);
- icsk->rx_dst_ifindex = inet_iif(skb);
+ sk->sk_rx_dst = dst_clone(skb_dst(skb));
+ inet_sk(sk)->rx_dst_ifindex = skb->skb_iif;
}
if (tcp_rcv_established(sk, skb, tcp_hdr(skb), skb->len)) {
rsk = sk;
@@ -1709,11 +1707,11 @@ void tcp_v4_early_demux(struct sk_buff *skb)
skb->destructor = sock_edemux;
if (sk->sk_state != TCP_TIME_WAIT) {
struct dst_entry *dst = sk->sk_rx_dst;
- struct inet_sock *icsk = inet_sk(sk);
+
if (dst)
dst = dst_check(dst, 0);
if (dst &&
- icsk->rx_dst_ifindex == skb->skb_iif)
+ inet_sk(sk)->rx_dst_ifindex == skb->skb_iif)
skb_dst_set_noref(skb, dst);
}
}
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 5912ac3fd24..3f1cc2028ed 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -388,6 +388,7 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req,
struct tcp_cookie_values *oldcvp = oldtp->cookie_values;
newsk->sk_rx_dst = dst_clone(skb_dst(skb));
+ inet_sk(newsk)->rx_dst_ifindex = skb->skb_iif;
/* TCP Cookie Transactions require space for the cookie pair,
* as it differs for each connection. There is no need to
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index 320fa0e6951..f3f96badf5a 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -325,9 +325,6 @@ static int sample(struct datapath *dp, struct sk_buff *skb,
}
}
- if (!acts_list)
- return 0;
-
return do_execute_actions(dp, skb, nla_data(acts_list),
nla_len(acts_list), true);
}