[PATCH 3/4] media: mediatek: vcodec: free working buf on error path in vdec_vp9_slice_setup_lat()

[Nicolas Dufresne]

Le mercredi 06 mai 2026 à 16:42 +0800, Haoxiang Li a écrit :
> Add an error path label in vdec_vp9_slice_setup_lat()
> and call vdec_vp9_slice_free_working_buffer() to free
> working buffer to prevent potential memory leak.
> 
> Fixes: 5d418351ca8f ("media: mediatek: vcodec: support stateless VP9
> decoding")
> Cc: stable at vger.kernel.org
> Signed-off-by: Haoxiang Li <lihaoxiang at isrc.iscas.ac.cn>

Reviewed-by: Nicolas Dufresne <nicolas.dufresne at collabora.com>

> ---
>  .../mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c        | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git
> a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c
> b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c
> index 0f47b2671353..673b17d0dd8d 100644
> ---
> a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c
> +++
> b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c
> @@ -1172,10 +1172,12 @@ static int vdec_vp9_slice_setup_lat(struct
> vdec_vp9_slice_instance *instance,
>  
>  	ret = vdec_vp9_slice_setup_tile_buffer(instance, vsi, bs);
>  	if (ret)
> -		goto err;
> +		goto alloc_err;
>  
>  	return 0;
>  
> +alloc_err:
> +	vdec_vp9_slice_free_working_buffer(instance);
>  err:
>  	return ret;
>  }
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