[media] uvcvideo: Fix a "ignoring return value of ‘__clear_user’" warning
authorHans de Goede <hdegoede@redhat.com>
Sun, 8 Apr 2012 15:59:48 +0000 (12:59 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Mon, 7 May 2012 19:30:37 +0000 (16:30 -0300)
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>
drivers/media/video/uvc/uvc_v4l2.c

index 111bfff..4ef21e9 100644 (file)
@@ -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;