From: John Fastabend <john.fastabend@gmail.com>
Date: Fri, 29 Mar 2013 11:18:37 -0700

In rtnl_fdb_dump() when the fdb_dump ndo op is not populated
we never set the idx value so that cb->arg[0] is always 0.
Resulting in a endless loop of messages.

Introduced with this commit,

commit 090096bf3db1c281ddd034573260045888a68fea
Author: Vlad Yasevich [off-list ref]
Date:   Wed Mar 6 15:39:42 2013 +0000

    net: generic fdb support for drivers without ndo_fdb_<op>

CC: Vlad Yasevich <redacted>
Signed-off-by: John Fastabend <redacted>

Applied, thanks John.