From 5f81bd2e5d804ca93f3ec8873451b22d2f454721 Mon Sep 17 00:00:00 2001
From: Cong Wang <amwang@redhat.com>
Date: Sat, 31 Aug 2013 13:44:30 +0800
Subject: [PATCH] ipv6: export a stub for IPv6 symbols used by vxlan

In case IPv6 is compiled as a module, introduce a stub
for ipv6_sock_mc_join and ipv6_sock_mc_drop etc.. It will be used
by vxlan module. Suggested by Ben.

This is an ugly but easy solution for now.

Cc: Ben Hutchings <bhutchings@solarflare.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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