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Subject[PATCH v2] platform/x86: dell-laptop: Handle return error form dell_get_intensity.
Date
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>
---
drivers/platform/x86/dell-laptop.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index f57dd28..7fcf680 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -2053,11 +2053,17 @@ 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:
--
1.9.1
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