diff options
| author | Zhu Yi <yi.zhu@intel.com> | 2010-03-04 18:01:41 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-04-01 16:02:02 -0700 |
| commit | 20a92ecc4bfd6c5c0b5a71296a7b89aa53cf49e3 (patch) | |
| tree | 92e4a1867e71dc1bc78c8ac605af0b032559b1bb /net | |
| parent | ab9dd052e4d0c4d281ceec0b7e410e229beb6fb2 (diff) | |
tcp: use limited socket backlog
[ Upstream commit 6b03a53a5ab7ccf2d5d69f96cf1c739c4d2a8fb9 ]
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 6 | ||||
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 6 |
2 files changed, 8 insertions, 4 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 65b8ebfd078..febfe1586e1 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1677,8 +1677,10 @@ process: if (!tcp_prequeue(sk, skb)) ret = tcp_v4_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); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index febfd595a40..d89f405528c 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1732,8 +1732,10 @@ 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); |