From 68b76e99d1f7b696d49b5e99286401150072987a Mon Sep 17 00:00:00 2001
From: Amitkumar Karwar <akarwar@marvell.com>
Date: Thu, 14 Nov 2013 19:10:37 -0800
Subject: [PATCH] mwifiex: use return value of mwifiex_add_virtual_intf()
 correctly

mwifiex_add_virtual_intf() returns ERR_PTR values. So use IS_ERR()
macro instead of checking for NULL pointer.

Reported-by: Ujjal Roy <royujjal@gmail.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Reading git-format-patch failed