From: Eric Dumazet <edumazet@google.com>
Date: Tue, 24 Jul 2012 01:19:31 +0000 (+0000)
Subject: tcp: early_demux fixes
X-Git-Tag: v3.6-rc1~78^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9cb429d692b341e972b12e6cd097364050ebbb26;p=pandora-kernel.git

tcp: early_demux fixes

1) Remove a non needed pskb_may_pull() in tcp_v4_early_demux()
   and fix a potential bug if skb->head was reallocated
   (iph & th pointers were not reloaded)

TCP stack will pull/check headers anyway.

2) must reload iph in ip_rcv_finish() after early_demux()
 call since skb->head might have changed.

3) skb->dev->ifindex can be now replaced by skb->skb_iif

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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