[media] saa7164: saa7164-buffer.c line 274 bugfix (a1c592b7) · Commits · 戴 / test

drivers/media/video/saa7164/saa7164-dvb.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -143,6 +143,8 @@ static int saa7164_dvb_pause_port(struct saa7164_port *port)
		static int saa7164_dvb_stop_streaming(struct saa7164_port *port)
		{
		struct saa7164_dev *dev = port->dev;
		struct saa7164_buffer *buf;
		struct list_head p, q;
		int ret;

		dprintk(DBGLVL_DVB, "%s(port=%d)\n", __func__, port->nr);
		@@ -151,6 +153,14 @@ static int saa7164_dvb_stop_streaming(struct saa7164_port *port)
		ret = saa7164_dvb_acquire_port(port);
		ret = saa7164_dvb_stop_port(port);

		/* Mark the hardware buffers as free */
		mutex_lock(&port->dmaqueue_lock);
		list_for_each_safe(p, q, &port->dmaqueue.list) {
		buf = list_entry(p, struct saa7164_buffer, list);
		buf->flags = SAA7164_BUFFER_FREE;
		}
		mutex_unlock(&port->dmaqueue_lock);

		return ret;
		}