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| author | John W. Linville <linville@tuxdriver.com> | 2010-04-08 13:34:54 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-04-08 13:34:54 -0400 |
| commit | 0f2df9eac70423838a1f8d410fd3899ddd88317b (patch) | |
| tree | 0617f723320d83eca5cef9c964c001014e74213f /net/ipv4/tcp_ipv4.c | |
| parent | 8c11e4ab09ffb975a89802dde0e9aa52a53b8aa5 (diff) | |
| parent | 1144601118507f8b3b676a9a392584d216d3f2cc (diff) | |
| download | linux-0f2df9eac70423838a1f8d410fd3899ddd88317b.tar.gz linux-0f2df9eac70423838a1f8d410fd3899ddd88317b.tar.bz2 linux-0f2df9eac70423838a1f8d410fd3899ddd88317b.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into merge
Conflicts:
Documentation/feature-removal-schedule.txt
drivers/net/wireless/ath/ath5k/phy.c
drivers/net/wireless/iwlwifi/iwl-4965.c
drivers/net/wireless/iwlwifi/iwl-agn.c
drivers/net/wireless/iwlwifi/iwl-core.c
drivers/net/wireless/iwlwifi/iwl-core.h
drivers/net/wireless/iwlwifi/iwl-tx.c
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index c3588b4fd979..8d51d39ad1bb 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1651,8 +1651,10 @@ int tcp_v4_rcv(struct sk_buff *skb) if (!sk) goto no_tcp_socket; - if (iph->ttl < inet_sk(sk)->min_ttl) + if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) { + NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP); goto discard_and_relse; + } process: if (sk->sk_state == TCP_TIME_WAIT) @@ -1682,8 +1684,11 @@ process: if (!tcp_prequeue(sk, skb)) ret = tcp_v4_do_rcv(sk, skb); } - } else - sk_add_backlog(sk, skb); + } else if (unlikely(sk_add_backlog(sk, skb))) { + bh_unlock_sock(sk); + NET_INC_STATS_BH(net, LINUX_MIB_TCPBACKLOGDROP); + goto discard_and_relse; + } bh_unlock_sock(sk); sock_put(sk); |