diff options
| author | Markus Elfring <elfring@users.sourceforge.net> | 2014-11-24 22:30:29 +0300 |
|---|---|---|
| committer | Darren Hart <dvhart@linux.intel.com> | 2014-12-03 21:10:14 +0300 |
| commit | 0098181016dd45c1c417656ba36b87d9101cbb83 (patch) | |
| tree | adb5cead8a3f2307e94918ac9369c95e7b2166c9 /drivers/platform/x86/ideapad-laptop.c | |
| parent | a39f46df33c6847399f9b41b74ef09a4095fb996 (diff) | |
| download | linux-0098181016dd45c1c417656ba36b87d9101cbb83.tar.xz | |
platform: x86: Deletion of checks 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>
For msi-wmi.c:
Acked-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Diffstat (limited to 'drivers/platform/x86/ideapad-laptop.c')
| -rw-r--r-- | drivers/platform/x86/ideapad-laptop.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index ed494f37c40f..31630612dd80 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -729,8 +729,7 @@ static int ideapad_backlight_init(struct ideapad_private *priv) static void ideapad_backlight_exit(struct ideapad_private *priv) { - if (priv->blightdev) - backlight_device_unregister(priv->blightdev); + backlight_device_unregister(priv->blightdev); priv->blightdev = NULL; } |