platform/x86: dell-laptop: Handle return error form dell_get_intensity.
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>
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@ -2151,11 +2151,17 @@ static int __init dell_init(void)
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dell_backlight_device->props.brightness =
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dell_get_intensity(dell_backlight_device);
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if (dell_backlight_device->props.brightness < 0) {
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ret = dell_backlight_device->props.brightness;
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goto fail_get_brightness;
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}
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backlight_update_status(dell_backlight_device);
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}
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return 0;
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fail_get_brightness:
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backlight_device_unregister(dell_backlight_device);
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fail_backlight:
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dell_cleanup_rfkill();
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fail_rfkill:
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