media: go7007: don't modify q->streaming

The streaming state is maintained by the vb2 core, so drivers
must never change it themselves.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/usb/go7007/go7007-v4l2.c

@@ -404,16 +404,13 @@ static int go7007_start_streaming(struct vb2_queue *q, unsigned int count)
 	go->next_seq = 0;
 	go->active_buf = NULL;
 	go->modet_event_status = 0;
-	q->streaming = 1;
 	if (go7007_start_encoder(go) < 0)
 		ret = -EIO;
 	else
 		ret = 0;
 	mutex_unlock(&go->hw_lock);
-	if (ret) {
-		q->streaming = 0;
+	if (ret)
 		return ret;
-	}
 	call_all(&go->v4l2_dev, video, s_stream, 1);
 	v4l2_ctrl_grab(go->mpeg_video_gop_size, true);
 	v4l2_ctrl_grab(go->mpeg_video_gop_closure, true);
@@ -430,7 +427,6 @@ static void go7007_stop_streaming(struct vb2_queue *q)
 	struct go7007 *go = vb2_get_drv_priv(q);
 	unsigned long flags;
 
-	q->streaming = 0;
 	go7007_stream_stop(go);
 	mutex_lock(&go->hw_lock);
 	go7007_reset_encoder(go);