Re: [PATCH v14 06/56] media: videobuf2: Remove duplicated index vs q->num_buffers check

Andrzej Pietrasiewicz
2023-11-08T16:47:04Z

W dniu 31.10.2023 o 17:30, Benjamin Gaignard pisze:
> vb2_get_buffer() already checks if the requested index is valid.
> Stop duplicating this kind of check everywhere.
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>

> ---
> drivers/media/common/videobuf2/videobuf2-v4l2.c | 8 --------
> 1 file changed, 8 deletions(-)
>
> diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/media/common/videobuf2/videobuf2-v4l2.c
> index 2ffb097bf00a..c6ebc8d2c537 100644
> --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c
> +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c
> @@ -823,10 +823,6 @@ int vb2_qbuf(struct vb2_queue *q, struct media_device *mdev,
> return -EBUSY;
> }
>
> - if (b->index >= q->num_buffers) {
> - dprintk(q, 1, "buffer index out of range\n");
> - return -EINVAL;
> - }
> vb = vb2_get_buffer(q, b->index);
> if (!vb) {
> dprintk(q, 1, "can't find the requested buffer %u\n", b->index);
> @@ -898,10 +894,6 @@ int vb2_expbuf(struct vb2_queue *q, struct v4l2_exportbuffer *eb)
> {
> struct vb2_buffer *vb;
>
> - if (eb->index >= q->num_buffers) {
> - dprintk(q, 1, "buffer index out of range\n");
> - return -EINVAL;
> - }
> vb = vb2_get_buffer(q, eb->index);
> if (!vb) {
> dprintk(q, 1, "can't find the requested buffer %u\n", eb->index);