From bb1d34875cac75b809230aafbceebce813c9175b Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Mon, 12 Dec 2016 09:16:49 -0200 Subject: [PATCH] [media] uvcvideo: (cosmetic) Add and use an inline function Add an inline function to obtain a struct uvc_buffer pointer from a struct vb2_v4l2_buffer one. Signed-off-by: Guennadi Liakhovetski Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/uvc/uvc_queue.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index 77edd206d345..0cc7ae23604d 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -43,6 +43,11 @@ uvc_queue_to_stream(struct uvc_video_queue *queue) return container_of(queue, struct uvc_streaming, queue); } +static inline struct uvc_buffer *uvc_vbuf_to_buffer(struct vb2_v4l2_buffer *buf) +{ + return container_of(buf, struct uvc_buffer, buf); +} + /* * Return all queued buffers to videobuf2 in the requested state. * @@ -89,7 +94,7 @@ static int uvc_buffer_prepare(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue); - struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf); + struct uvc_buffer *buf = uvc_vbuf_to_buffer(vbuf); if (vb->type == V4L2_BUF_TYPE_VIDEO_OUTPUT && vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) { @@ -116,7 +121,7 @@ static void uvc_buffer_queue(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue); - struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf); + struct uvc_buffer *buf = uvc_vbuf_to_buffer(vbuf); unsigned long flags; spin_lock_irqsave(&queue->irqlock, flags); @@ -138,7 +143,7 @@ static void uvc_buffer_finish(struct vb2_buffer *vb) struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue); struct uvc_streaming *stream = uvc_queue_to_stream(queue); - struct uvc_buffer *buf = container_of(vbuf, struct uvc_buffer, buf); + struct uvc_buffer *buf = uvc_vbuf_to_buffer(vbuf); if (vb->state == VB2_BUF_STATE_DONE) uvc_video_clock_update(stream, vbuf, buf); -- 2.45.2