[v4,1/4] media: videobuf2-core: clear memory related fields in __vb2_plane_dmabuf_put()
Commit Message
Clear vb2_plane's memory related fields in __vb2_plane_dmabuf_put(),
including bytesused, length, fd and data_offset.
Remove the duplicated code in __prepare_dmabuf().
Signed-off-by: Yunke Cao <yunkec@chromium.org>
---
drivers/media/common/videobuf2/videobuf2-core.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
@@ -312,6 +312,10 @@ static void __vb2_plane_dmabuf_put(struct vb2_buffer *vb, struct vb2_plane *p)
p->mem_priv = NULL;
p->dbuf = NULL;
p->dbuf_mapped = 0;
+ p->bytesused = 0;
+ p->length = 0;
+ p->m.fd = 0;
+ p->data_offset = 0;
}
/*
@@ -1421,10 +1425,6 @@ static int __prepare_dmabuf(struct vb2_buffer *vb)
/* Release previously acquired memory if present */
__vb2_plane_dmabuf_put(vb, &vb->planes[plane]);
- vb->planes[plane].bytesused = 0;
- vb->planes[plane].length = 0;
- vb->planes[plane].m.fd = 0;
- vb->planes[plane].data_offset = 0;
/* Acquire each plane's memory */
mem_priv = call_ptr_memop(attach_dmabuf,