On Wed Oct 15 10:53:45 2025 +0300, Laurent Pinchart wrote:
> The v4l2_m2m_get_vq() function never returns NULL. The check was
> probably intended to catch invalid format types, but that's not needed
> as the V4L2 core picks the appropriate VIDIOC_G_FMT ioctl handler based
> on the format type, so the type can't be incorrect. Drop the unneeded
> return value check and, as the return value is not used for other
> purposes and the function has no side effect, the function call as well.
>
> Signed-off-by: Laurent Pinchart <[email protected]>
> Signed-off-by: Hans Verkuil <[email protected]>
Patch committed.
Thanks,
Hans Verkuil
drivers/media/platform/st/stm32/dma2d/dma2d.c | 5 -----
1 file changed, 5 deletions(-)
---
diff --git a/drivers/media/platform/st/stm32/dma2d/dma2d.c
b/drivers/media/platform/st/stm32/dma2d/dma2d.c
index 468c247ba328..30544ceca42c 100644
--- a/drivers/media/platform/st/stm32/dma2d/dma2d.c
+++ b/drivers/media/platform/st/stm32/dma2d/dma2d.c
@@ -355,13 +355,8 @@ static int vidioc_enum_fmt(struct file *file, void *priv,
struct v4l2_fmtdesc *f
static int vidioc_g_fmt(struct file *file, void *priv, struct v4l2_format *f)
{
struct dma2d_ctx *ctx = file2ctx(file);
- struct vb2_queue *vq;
struct dma2d_frame *frm;
- vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
- if (!vq)
- return -EINVAL;
-
frm = get_frame(ctx, f->type);
f->fmt.pix.width = frm->width;
f->fmt.pix.height = frm->height;
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