From bd99b2e05c4df2a428e5c9dd338289089d0e26df Mon Sep 17 00:00:00 2001
From: Christoph Lameter <cl@linux.com>
Date: Thu, 24 Sep 2015 12:00:05 -0500
Subject: [PATCH] IB/ipoib: Expire sendonly multicast joins

On neighbor expiration, check to see if the neighbor was actually a
sendonly multicast join, and if so, leave the multicast group as we
expire the neighbor.

Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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