tree 8a6d58e6dbd560d4bf89f79c345b7b10d49e73dc
parent 533726f736c2c32956d78ad6f49ffaada110cbfd
author Markus Elfring <elfring@users.sourceforge.net> 1423148863 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1426694200 +0100

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>