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authorZhu Yi <yi.zhu@intel.com>2010-03-04 19:01:41 +0100
committerDavid S. Miller <davem@davemloft.net>2010-03-05 22:34:00 +0100
commit6b03a53a5ab7ccf2d5d69f96cf1c739c4d2a8fb9 (patch)
treee16e367dd5365c707ecc7373c593da4922d6c8d6 /net/ipv6/tcp_ipv6.c
parentnet: add limit for socket backlog (diff)
downloadlinux-6b03a53a5ab7ccf2d5d69f96cf1c739c4d2a8fb9.tar.xz
linux-6b03a53a5ab7ccf2d5d69f96cf1c739c4d2a8fb9.zip
tcp: use limited socket backlog
Make tcp adapt to the limited socket backlog change. Cc: "David S. Miller" <davem@davemloft.net> Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Cc: "Pekka Savola (ipv6)" <pekkas@netcore.fi> Cc: Patrick McHardy <kaber@trash.net> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
-rw-r--r--net/ipv6/tcp_ipv6.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 6963a6b6763e..c4ea9d5cbfaa 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1740,8 +1740,10 @@ process:
if (!tcp_prequeue(sk, skb))
ret = tcp_v6_do_rcv(sk, skb);
}
- } else
- sk_add_backlog(sk, skb);
+ } else if (sk_add_backlog_limited(sk, skb)) {
+ bh_unlock_sock(sk);
+ goto discard_and_relse;
+ }
bh_unlock_sock(sk);
sock_put(sk);