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[media] saa7164: saa7164-buffer.c line 274 bugfix 

Mark buffers free when the dvb dma engine stops.

Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Steven Toth 2010-09-05 09:49:43 -03:00 committed by Mauro Carvalho Chehab
parent 2e732d6441
commit a1c592b766
1 changed files with 10 additions and 0 deletions
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10
drivers/media/video/saa7164/saa7164-dvb.c
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@ -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;
}