[FFmpeg-devel] [PATCH] qsvenc: avoid dereferencing the null pointer

[Xiang, Haihao]

On Thu, 2022-02-24 at 10:27 +0800, Tong Wu wrote:
> The variable AVFrame *frame could be a null pointer, now add a null
> pointer check to avoid dereferencing the null pointer.
> 
> Signed-off-by: Tong Wu <tong1.wu at intel.com>
> ---
>  libavcodec/qsvenc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
> index 07be4287b7..998e43753e 100644
> --- a/libavcodec/qsvenc.c
> +++ b/libavcodec/qsvenc.c
> @@ -1726,7 +1726,7 @@ static int encode_frame(AVCodecContext *avctx,
> QSVEncContext *q,
>          goto free;
>      }
>  
> -    if (ret == MFX_WRN_INCOMPATIBLE_VIDEO_PARAM && frame->interlaced_frame)
> +    if (ret == MFX_WRN_INCOMPATIBLE_VIDEO_PARAM && frame && frame-
> >interlaced_frame)
>          print_interlace_msg(avctx, q);
>  
>      ret = 0;

LGTM, applied

-Haihao