From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 4 Dec 2009 03:46:54 +0000 (+0000)
Subject: tcp: Fix a connect() race with timewait sockets
X-Git-Tag: v2.6.33-rc1~299^2~37
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9327f7053e3993c125944fdb137a0618319ef2a0;p=pandora-kernel.git

tcp: Fix a connect() race with timewait sockets

First patch changes __inet_hash_nolisten() and __inet6_hash()
to get a timewait parameter to be able to unhash it from ehash
at same time the new socket is inserted in hash.

This makes sure timewait socket wont be found by a concurrent
writer in __inet_check_established()

Reported-by: kapil dakhane <kdakhane@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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