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authorThomas Gleixner <tglx@linutronix.de>2010-10-12 17:27:20 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-10-12 17:27:28 +0200
commit37eca0d64a2dbeece25969ec0698e1ff72bdcf39 (patch)
tree54ba70f0428f586f4fe28d8b429b9f9e0799a17a /net/ipv4/tcp_input.c
parent277b199800ac90811ac86d215063df1984f51619 (diff)
parent3c06806e690885ce978ef180c8f8b6f8c17fb4b4 (diff)
Merge branch 'linus' into core/locking
Reason: Pull in the semaphore related changes Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r--net/ipv4/tcp_input.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index e663b78a2ef..b55f60f6fcb 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2545,7 +2545,8 @@ static void tcp_mark_head_lost(struct sock *sk, int packets)
cnt += tcp_skb_pcount(skb);
if (cnt > packets) {
- if (tcp_is_sack(tp) || (oldcnt >= packets))
+ if ((tcp_is_sack(tp) && !tcp_is_fack(tp)) ||
+ (oldcnt >= packets))
break;
mss = skb_shinfo(skb)->gso_size;
@@ -4048,6 +4049,8 @@ static void tcp_reset(struct sock *sk)
default:
sk->sk_err = ECONNRESET;
}
+ /* This barrier is coupled with smp_rmb() in tcp_poll() */
+ smp_wmb();
if (!sock_flag(sk, SOCK_DEAD))
sk->sk_error_report(sk);