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platform/x86: dell-laptop: Handle return error form dell_get_intensity.

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Here, This patch is to handle a return error from dell_get_intensity.
This change is done using Coccinelle.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Arvind Yadav 2017-03-09 11:19:56 +05:30 committed by Andy Shevchenko
parent 0b8dba15e9
commit 90a864b965
1 changed files with 6 additions and 0 deletions
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6
drivers/platform/x86/dell-laptop.c
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@ -2151,11 +2151,17 @@ static int __init dell_init(void)
dell_backlight_device->props.brightness =
dell_get_intensity(dell_backlight_device);
if (dell_backlight_device->props.brightness < 0) {
ret = dell_backlight_device->props.brightness;
goto fail_get_brightness;
}
backlight_update_status(dell_backlight_device);
}
return 0;
fail_get_brightness:
backlight_device_unregister(dell_backlight_device);
fail_backlight:
dell_cleanup_rfkill();
fail_rfkill: