Thread (133 messages) 133 messages, 6 authors, 2023-11-10

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

From: Andrzej Pietrasiewicz <hidden>
Date: 2023-11-08 16:46:57
Also in: linux-arm-msm, linux-media, linux-mediatek, linux-rockchip, linux-staging, lkml

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 <redacted>
quoted hunk ↗ jump to hunk
---
  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);

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