"err" needs to be signed for the error handling to work.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 5b779a9..a038595 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -946,7 +946,8 @@ static int read_brightness_max(struct asus_wmi *asus)
static int read_brightness(struct backlight_device *bd)
{
struct asus_wmi *asus = bl_get_data(bd);
- u32 retval, err;
+ u32 retval;
+ int err;
err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
--
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