media: uvcvideo: Fix smatch warning

drivers/media/usb/uvc/uvc_video.c: drivers/media/usb/uvc/uvc_video.c:1893 uvc_video_start_transfer() warn: argument 2 to %u specifier is cast from pointer

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 9b41b14ce076dd28606af1914eda533f9ba648fc..c7c1baa90dea8522a662a1ab05167e0646788d80 100644 (file)
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -620,8 +620,10 @@ struct uvc_streaming {
             (uvc_urb) < &(uvc_streaming)->uvc_urb[UVC_URBS]; \
             ++(uvc_urb))
 
-#define uvc_urb_index(uvc_urb) \
-       (unsigned int)((uvc_urb) - (&(uvc_urb)->stream->uvc_urb[0]))
+static inline u32 uvc_urb_index(const struct uvc_urb *uvc_urb)
+{
+       return uvc_urb - &uvc_urb->stream->uvc_urb[0];
+}
 
 struct uvc_device_info {
        u32     quirks;