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authorDavid S. Miller <davem@davemloft.net>2013-03-20 20:46:26 +0400
committerDavid S. Miller <davem@davemloft.net>2013-03-20 20:46:26 +0400
commit61816596d1c9026d0ecb20c44f90452c41596ffe (patch)
tree3027ed6dc62f71e14b9d525405747fa0eb8f074d /net/ipv4/tcp_ipv4.c
parent23a9072e3af0d9538e25837fb2b56bb94e4a8e67 (diff)
parentda2191e31409d1058dcbed44e8f53e39a40e86b3 (diff)
downloadlinux-61816596d1c9026d0ecb20c44f90452c41596ffe.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull in the 'net' tree to get Daniel Borkmann's flow dissector infrastructure change. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index b27c758ca23f..2278669b1d85 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -274,13 +274,6 @@ static void tcp_v4_mtu_reduced(struct sock *sk)
struct inet_sock *inet = inet_sk(sk);
u32 mtu = tcp_sk(sk)->mtu_info;
- /* We are not interested in TCP_LISTEN and open_requests (SYN-ACKs
- * send out by Linux are always <576bytes so they should go through
- * unfragmented).
- */
- if (sk->sk_state == TCP_LISTEN)
- return;
-
dst = inet_csk_update_pmtu(sk, mtu);
if (!dst)
return;
@@ -408,6 +401,13 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
goto out;
if (code == ICMP_FRAG_NEEDED) { /* PMTU discovery (RFC1191) */
+ /* We are not interested in TCP_LISTEN and open_requests
+ * (SYN-ACKs send out by Linux are always <576bytes so
+ * they should go through unfragmented).
+ */
+ if (sk->sk_state == TCP_LISTEN)
+ goto out;
+
tp->mtu_info = info;
if (!sock_owned_by_user(sk)) {
tcp_v4_mtu_reduced(sk);