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V4L/DVB (5545): Saa7146: Release capture buffers on device close 

If the video device (saa7146 on a FF card) was open for capturing,
the close call didn't release the capture buffers.

Signed-off-by: Hartmut Birr <e9hack@gmail.com>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hartmut Birr 2007-04-22 06:57:26 -03:00 committed by Mauro Carvalho Chehab
parent dc120b0734
commit 2970c49270
1 changed files with 6 additions and 0 deletions
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6
drivers/media/common/saa7146_video.c
View File

@ -1428,6 +1428,7 @@ static void video_close(struct saa7146_dev *dev, struct file *file)
{
struct saa7146_fh *fh = (struct saa7146_fh *)file->private_data;
struct saa7146_vv *vv = dev->vv_data;
struct videobuf_queue *q = &fh->video_q;
int err;
if (IS_CAPTURE_ACTIVE(fh) != 0) {
@ -1436,6 +1437,11 @@ static void video_close(struct saa7146_dev *dev, struct file *file)
err = saa7146_stop_preview(fh);
}
// release all capture buffers
mutex_lock(&q->lock);
videobuf_read_stop(q);
mutex_unlock(&q->lock);
/* hmm, why is this function declared void? */
/* return err */
}