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[media] uvcvideo: Fix a "ignoring return value of ‘__clear_user’" warning 

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans de Goede 2012-04-08 12:59:48 -03:00 committed by Mauro Carvalho Chehab
parent 3e366149b8
commit 57fb4a4831
1 changed files with 2 additions and 1 deletions
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3
drivers/media/video/uvc/uvc_v4l2.c
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@ -1097,7 +1097,8 @@ static int uvc_v4l2_put_xu_mapping(const struct uvc_xu_control_mapping *kp,
__put_user(kp->menu_count, &up->menu_count))
return -EFAULT;
__clear_user(up->reserved, sizeof(up->reserved));
if (__clear_user(up->reserved, sizeof(up->reserved)))
return -EFAULT;
if (kp->menu_count == 0)
return 0;