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

From: Andrzej Pietrasiewicz
Date: Wed Nov 08 2023 - 11:46:57 EST


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@xxxxxxxxxxxxx>
Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxxxx>

---
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);