From 959d10f6bbf6ab5b8813c4e37540a2e43ca2ae96 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Tue, 17 Feb 2015 03:19:24 -0800
Subject: [PATCH] igmp: add __ip_mc_{join|leave}_group()

There is a need to perform igmp join/leave operations while RTNL is
held.

Make ip_mc_{join|leave}_group() wrappers around
__ip_mc_{join|leave}_group() to avoid the proliferation of work queues.

For example, vxlan_igmp_join() could possibly be removed.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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