From: Peter Christensen <pch@ordbogen.com>
Date: Thu, 8 May 2014 09:15:37 +0000 (+0200)
Subject: macvlan: Don't propagate IFF_ALLMULTI changes on down interfaces.
X-Git-Tag: v3.2.60~71
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b64df7dd898e1b05ecb77d06a69313a9d7c43db;p=pandora-kernel.git

macvlan: Don't propagate IFF_ALLMULTI changes on down interfaces.

[ Upstream commit bbeb0eadcf9fe74fb2b9b1a6fea82cd538b1e556 ]

Clearing the IFF_ALLMULTI flag on a down interface could cause an allmulti
overflow on the underlying interface.

Attempting the set IFF_ALLMULTI on the underlying interface would cause an
error and the log message:

"allmulti touches root, set allmulti failed."

Signed-off-by: Peter Christensen <pch@ordbogen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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