From: Mahesh Bandewar <maheshb@google.com>
Date: Sat, 6 Dec 2014 23:53:46 +0000 (-0800)
Subject: macvlan: play well with ipvlan device
X-Git-Tag: omap-for-v3.19/fixes-rc1~125^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d6b00fec5dbbe976904b4d77e7d4f9493df5c2ec;p=pandora-kernel.git

macvlan: play well with ipvlan device

If device is already used as an ipvlan port then refuse to
use it as a macvlan port at early stage of port creation.

	thost1:~# ip link add link eth0 ipvl0 type ipvlan
	thost1:~# echo $?
	0
	thost1:~# ip link add link eth0 mvl0 type macvlan
	RTNETLINK answers: Device or resource busy
	thost1:~# echo $?
	2
	thost1:~#

Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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