From 2970c49270be2a62b1115f73bbfc0b8d3b3f48ba Mon Sep 17 00:00:00 2001 From: Hartmut Birr Date: Sun, 22 Apr 2007 06:57:26 -0300 Subject: [PATCH] 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 Signed-off-by: Oliver Endriss Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/saa7146_video.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/media/common/saa7146_video.c b/drivers/media/common/saa7146_video.c index 7e0cedc557df..e3d04a4cef4d 100644 --- a/drivers/media/common/saa7146_video.c +++ b/drivers/media/common/saa7146_video.c @@ -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 */ }