[media] uvcvideo: Constify the uvc_entity_match_guid arguments
They're not modified by the function, make them const.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index bce29fd..d8dc1e1 100644
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -727,7 +727,8 @@
static const __u8 uvc_media_transport_input_guid[16] =
UVC_GUID_UVC_MEDIA_TRANSPORT_INPUT;
-static int uvc_entity_match_guid(struct uvc_entity *entity, __u8 guid[16])
+static int uvc_entity_match_guid(const struct uvc_entity *entity,
+ const __u8 guid[16])
{
switch (UVC_ENTITY_TYPE(entity)) {
case UVC_ITT_CAMERA: