diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2014-10-21 23:07:15 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-11-25 13:40:37 +0300 |
| commit | 3f02de275e5c4374ffeba554c7b9fa85ea13ecc5 (patch) | |
| tree | 744860903ad98d498b3713c8bee5e39b3988c4f0 /drivers/media/usb | |
| parent | a11a03e50b73234444f7d439fb8ee6eaec3cffd1 (diff) | |
| download | linux-3f02de275e5c4374ffeba554c7b9fa85ea13ecc5.tar.xz | |
[media] uvcvideo: Don't stop the stream twice at file handle release
When releasing the file handle the driver calls the vb2_queue_release
which turns the stream off. There's thus no need to turn the stream off
explicitly beforehand.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/usb')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_queue.c | 14 | ||||
| -rw-r--r-- | drivers/media/usb/uvc/uvc_v4l2.c | 6 | ||||
| -rw-r--r-- | drivers/media/usb/uvc/uvcvideo.h | 2 |
3 files changed, 10 insertions, 12 deletions
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index 758247048ee1..708478f958e9 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -194,6 +194,13 @@ int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, return 0; } +void uvc_queue_release(struct uvc_video_queue *queue) +{ + mutex_lock(&queue->mutex); + vb2_queue_release(&queue->queue); + mutex_unlock(&queue->mutex); +} + /* ----------------------------------------------------------------------------- * V4L2 queue operations */ @@ -210,13 +217,6 @@ int uvc_alloc_buffers(struct uvc_video_queue *queue, return ret ? ret : rb->count; } -void uvc_free_buffers(struct uvc_video_queue *queue) -{ - mutex_lock(&queue->mutex); - vb2_queue_release(&queue->queue); - mutex_unlock(&queue->mutex); -} - int uvc_query_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf) { int ret; diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index 4619fd6b0494..1b6b6db30d98 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -530,10 +530,8 @@ static int uvc_v4l2_release(struct file *file) uvc_trace(UVC_TRACE_CALLS, "uvc_v4l2_release\n"); /* Only free resources if this is a privileged handle. */ - if (uvc_has_privileges(handle)) { - uvc_queue_enable(&stream->queue, 0); - uvc_free_buffers(&stream->queue); - } + if (uvc_has_privileges(handle)) + uvc_queue_release(&stream->queue); /* Release the file handle. */ uvc_dismiss_privileges(handle); diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index 53db7ed1e472..344aedec9dfb 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -623,9 +623,9 @@ extern struct uvc_entity *uvc_entity_by_id(struct uvc_device *dev, int id); /* Video buffers queue management. */ extern int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, int drop_corrupted); +extern void uvc_queue_release(struct uvc_video_queue *queue); extern int uvc_alloc_buffers(struct uvc_video_queue *queue, struct v4l2_requestbuffers *rb); -extern void uvc_free_buffers(struct uvc_video_queue *queue); extern int uvc_query_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *v4l2_buf); extern int uvc_create_buffers(struct uvc_video_queue *queue, |