diff options
| author |   Markus Elfring <elfring@users.sourceforge.net> | 2014-11-24 20:30:29 +0100 |
|---|---|---|
| committer |   Darren Hart <dvhart@linux.intel.com> | 2014-12-03 10:10:14 -0800 |
| commit | 0098181016dd45c1c417656ba36b87d9101cbb83 (patch) | |
| tree | adb5cead8a3f2307e94918ac9369c95e7b2166c9 /drivers/platform/x86/asus-laptop.c | |
| parent | toshiba_acpi: Fix regression caused by backlight extra check code (diff) | |
| download | linux-dev-0098181016dd45c1c417656ba36b87d9101cbb83.tar.xz linux-dev-0098181016dd45c1c417656ba36b87d9101cbb83.zip | |
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/asus-laptop.c')
| -rw-r--r-- | drivers/platform/x86/asus-laptop.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 7f4dc6f51f8a..11fac1a3977a 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -843,8 +843,7 @@ static int asus_backlight_init(struct asus_laptop *asus) static void asus_backlight_exit(struct asus_laptop *asus) { - if (asus->backlight_device) - backlight_device_unregister(asus->backlight_device); + backlight_device_unregister(asus->backlight_device); asus->backlight_device = NULL; } |