[media] v4l2-ctrls: make manual_mode_value 8 bits and check against control range

Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/v4l2-ctrls.c

@@ -1264,6 +1264,7 @@ void v4l2_ctrl_auto_cluster(unsigned ncontrols, struct v4l2_ctrl **controls,
 
 	v4l2_ctrl_cluster(ncontrols, controls);
 	WARN_ON(ncontrols <= 1);
+	WARN_ON(manual_val < master->minimum || manual_val > master->maximum);
 	master->is_auto = true;
 	master->manual_mode_value = manual_val;
 	master->flags |= V4L2_CTRL_FLAG_UPDATE;

include/media/v4l2-ctrls.h

@@ -118,7 +118,7 @@ struct v4l2_ctrl {
 	unsigned int is_private:1;
 	unsigned int is_volatile:1;
 	unsigned int is_auto:1;
-	unsigned int manual_mode_value:5;
+	unsigned int manual_mode_value:8;
 
 	const struct v4l2_ctrl_ops *ops;
 	u32 id;