Commit 093067ed authored by Sergey Senozhatsky's avatar Sergey Senozhatsky Committed by Mauro Carvalho Chehab
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media: videobuf2: check ->synced flag in prepare() and finish() 



This simplifies the code a tiny bit and let's us to avoid
unneeded ->prepare()/->finish() calls.

Signed-off-by: default avatarSergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent dcf3bfe7

drivers/media/common/videobuf2/videobuf2-core.c

+7 −2
Original line number Diff line number Diff line
@@ -304,6 +304,9 @@ static void __vb2_buf_mem_prepare(struct vb2_buffer *vb) 
{

	unsigned int plane;



	if (vb->synced)

		return;



	if (vb->need_cache_sync_on_prepare) {

		for (plane = 0; plane < vb->num_planes; ++plane)

			call_void_memop(vb, prepare,
@@ -320,6 +323,9 @@ static void __vb2_buf_mem_finish(struct vb2_buffer *vb) 
{

	unsigned int plane;



	if (!vb->synced)

		return;



	if (vb->need_cache_sync_on_finish) {

		for (plane = 0; plane < vb->num_planes; ++plane)

			call_void_memop(vb, finish,
@@ -1999,7 +2005,6 @@ static void __vb2_queue_cancel(struct vb2_queue *q) 
				call_void_vb_qop(vb, buf_request_complete, vb);

		}



		if (vb->synced)

		__vb2_buf_mem_finish(vb);



		if (vb->prepared) {