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asus-wmi: signedness bug in read_brightness()

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"err" needs to be signed for the error handling to work.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Dan Carpenter 2011-03-15 10:06:23 +03:00 committed by Matthew Garrett
parent 2783658477
commit 0986f25fbb
1 changed files with 2 additions and 1 deletions
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3
drivers/platform/x86/asus-wmi.c
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@ -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);