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authorSteven Toth <stoth@kernellabs.com>2010-09-05 09:49:43 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-10-21 07:55:19 -0200
commita1c592b766ee94aaf0e2549b8ba4d0298c328484 (patch)
tree7094d14f8f7bdb55c3f0ddeefda3fa35007dfda9 /drivers/media/video
parent2e732d64416b243883f753e4a00960c3f3709317 (diff)
[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>
Diffstat (limited to 'drivers/media/video')
-rw-r--r--drivers/media/video/saa7164/saa7164-dvb.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/media/video/saa7164/saa7164-dvb.c b/drivers/media/video/saa7164/saa7164-dvb.c
index 2d21c01dea2..b305a01b3bd 100644
--- a/drivers/media/video/saa7164/saa7164-dvb.c
+++ b/drivers/media/video/saa7164/saa7164-dvb.c
@@ -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;
}