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platform: x86: Deletion of checks before backlight_device_unregister()

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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>
This commit is contained in:
Markus Elfring
2014-11-24 20:30:29 +01:00
committed by Darren Hart
parent a39f46df33
commit 0098181016
9 changed files with 10 additions and 20 deletions
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6
drivers/platform/x86/fujitsu-laptop.c
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@@ -1154,8 +1154,7 @@ fail_hotkey1:
fail_hotkey:
platform_driver_unregister(&fujitsupf_driver);
fail_backlight:
if (fujitsu->bl_device)
backlight_device_unregister(fujitsu->bl_device);
backlight_device_unregister(fujitsu->bl_device);
fail_sysfs_group:
sysfs_remove_group(&fujitsu->pf_device->dev.kobj,
&fujitsupf_attribute_group);
@@ -1179,8 +1178,7 @@ static void __exit fujitsu_cleanup(void)
platform_driver_unregister(&fujitsupf_driver);
if (fujitsu->bl_device)
backlight_device_unregister(fujitsu->bl_device);
backlight_device_unregister(fujitsu->bl_device);
sysfs_remove_group(&fujitsu->pf_device->dev.kobj,
&fujitsupf_attribute_group);