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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-10-04 22:23:26 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-10-04 22:23:30 +0100
commita9fda02bfc91a281cd812ae15dabe6bfb9574f90 (patch)
treed7be703f341870f15f87a59a63976f650078b4d6 /net/ipv4/tcp_input.c
parentaa3090005d27f3c7fba915ccea36b97b669fa3ab (diff)
parentec706dab290c486837d4a825870ab052bf200279 (diff)
Merge branch 'for_rmk' of git://git.linaro.org/kernel/linux-linaro-next into devel-stable
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);