From 685f94e6db8496399c881218018166515445a914 Mon Sep 17 00:00:00 2001
From: Jun Zhao <mypopydev@gmail.com>
Date: Tue, 22 Nov 2011 17:19:03 +0000
Subject: [PATCH] ipv4 : igmp : fix error handle in ip_mc_add_src()

When add sources to interface failure, need to roll back the sfcount[MODE]
to before state. We need to match it corresponding.

Acked-by: David L Stevens <dlstevens@us.ibm.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Jun Zhao <mypopydev@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-format-patch failed