Re: [PATCH] hantro: Format IOCTLs compliance fixes

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Hi Ricardo,

On Mon, 2021-01-11 at 12:35 +0100, Ricardo Ribalda wrote:
> Clear the reserved fields.
> 
> Fixes:
>   fail: v4l2-test-formats.cpp(482): pix_mp.plane_fmt[0].reserved not zeroed
> test VIDIOC_TRY_FMT: FAIL
>   fail: v4l2-test-formats.cpp(482): pix_mp.plane_fmt[0].reserved not zeroed
> test VIDIOC_S_FMT: FAIL
> 
> Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
> ---
>  drivers/staging/media/hantro/hantro_v4l2.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/staging/media/hantro/hantro_v4l2.c b/drivers/staging/media/hantro/hantro_v4l2.c
> index b668a82d40ad..9b384fbffc93 100644
> --- a/drivers/staging/media/hantro/hantro_v4l2.c
> +++ b/drivers/staging/media/hantro/hantro_v4l2.c
> @@ -239,6 +239,7 @@ static int hantro_try_fmt(const struct hantro_ctx *ctx,
>         const struct hantro_fmt *fmt, *vpu_fmt;
>         bool capture = V4L2_TYPE_IS_CAPTURE(type);
>         bool coded;
> +       int i;
>  
>         coded = capture == ctx->is_encoder;
>  
> @@ -293,6 +294,10 @@ static int hantro_try_fmt(const struct hantro_ctx *ctx,
>                         pix_mp->width * pix_mp->height * fmt->max_depth;
>         }
>  
> +       for (i = 0; i < pix_mp->num_planes; i++)
> +               memset(pix_mp->plane_fmt[i].reserved, 0,
> +                      sizeof(pix_mp->plane_fmt[i].reserved));
> +

This looks like something that should be handled at the core,
probably in drivers/media/v4l2-core/v4l2-ioctl.c::v4l_try_fmt().

Thanks,
Ezequiel

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