[PATCH v12 06/56] media: videobuf2: Remove duplicated index vs q->num_buffers check

Benjamin Gaignard benjamin.gaignard at collabora.com
Tue Oct 17 07:47:06 PDT 2023


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 at 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);
-- 
2.39.2




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