From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 5 Feb 2015 15:07:43 +0000 (+0100)
Subject: USB: appledisplay: Deletion of a check before backlight_device_unregister()
X-Git-Tag: omap-for-v4.2/o2_dc~157^2~68
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c60b89aa3640ac4eb279213d93828a8100acb6b5;p=pandora-kernel.git

USB: appledisplay: Deletion of a check before backlight_device_unregister()

The backlight_device_unregister() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

Reading git-diff-tree failed