From: stephen hemminger <shemminger@vyatta.com>
Date: Tue, 9 Oct 2012 20:35:53 +0000 (+0000)
Subject: vxlan: fix oops when give unknown ifindex
X-Git-Tag: v3.7-rc1~25^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=34e02aa1fb0886d8e92ab00e3dc17d631487f92d;p=pandora-kernel.git

vxlan: fix oops when give unknown ifindex

If vxlan is created and the ifindex is passed; there are two cases which
are incorrectly handled by the existing code. The ifindex could be zero
(i.e. no device) or there could be no device with that ifindex.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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