From 2a38e6d5aed24bb7f0211e0819fac8c32c2b5791 Mon Sep 17 00:00:00 2001
From: Li Wei <lw@cn.fujitsu.com>
Date: Sun, 27 Nov 2011 21:33:34 +0000
Subject: [PATCH] ipv6: Set mcast_hops to IPV6_DEFAULT_MCASTHOPS when -1 was
 given.

We need to set np->mcast_hops to it's default value at this moment
otherwise when we use it and found it's value is -1, the logic to
get default hop limit doesn't take multicast into account and will
return wrong hop limit(IPV6_DEFAULT_HOPLIMIT) which is for unicast.

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