From ed785309c94445dd90e242370e1f7bb034e008fd Mon Sep 17 00:00:00 2001
From: WANG Cong <xiyou.wangcong@gmail.com>
Date: Tue, 31 Mar 2015 11:01:45 -0700
Subject: [PATCH] ipv4: take rtnl_lock and mark mrt table as freed on namespace
 cleanup

This is the IPv4 part for commit 905a6f96a1b1
(ipv6: take rtnl_lock and mark mrt6 table as freed on namespace cleanup).

Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-format-patch failed