From d6ddef9e641d1229d4ec841dc75ae703171c3e92 Mon Sep 17 00:00:00 2001
From: Li Wei <lw@cn.fujitsu.com>
Date: Mon, 5 Mar 2012 14:45:17 +0000
Subject: [PATCH] IPv6: Fix not join all-router mcast group when forwarding
 set.

When forwarding was set and a new net device is register,
we need add this device to the all-router mcast group.

Signed-off-by: Li Wei <lw@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-format-patch failed