From cab55ceea3dd6f5c3ae1a788ecbf08067c478f54 Mon Sep 17 00:00:00 2001
From: Alexander Drozdov <al.drozdov@gmail.com>
Date: Thu, 5 Mar 2015 10:29:39 +0300
Subject: [PATCH] ipv4: ip_check_defrag should not assume that
 skb_network_offset is zero

[ Upstream commit 3e32e733d1bbb3f227259dc782ef01d5706bdae0 ]

ip_check_defrag() may be used by af_packet to defragment outgoing packets.
skb_network_offset() of af_packet's outgoing packets is not zero.

Signed-off-by: Alexander Drozdov <al.drozdov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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Reading git-format-patch failed