Re: [FFmpeg-devel] [PATCH 3/7] avformat/icodec: Factor failure code out in read_header()

[Peter Ross]

On Wed, Nov 04, 2020 at 01:06:45AM +0100, Michael Niedermayer wrote:
> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
> ---
>  libavformat/icodec.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/libavformat/icodec.c b/libavformat/icodec.c
> index c061f3ec42..cf1e60815e 100644
> --- a/libavformat/icodec.c
> +++ b/libavformat/icodec.c
> @@ -113,8 +113,7 @@ static int read_header(AVFormatContext *s)
>          ico->images[i].size   = avio_rl32(pb);
>          if (ico->images[i].size <= 0) {
>              av_log(s, AV_LOG_ERROR, "Invalid image size %d\n", 
> ico->images[i].size);
> -            av_freep(&ico->images);
> -            return AVERROR_INVALIDDATA;
> +            goto fail;
>          }
>          ico->images[i].offset = avio_rl32(pb);
>  
> @@ -130,8 +129,7 @@ static int read_header(AVFormatContext *s)
>              break;
>          case 40:
>              if (ico->images[i].size < 40) {
> -                av_freep(&ico->images);
> -                return AVERROR_INVALIDDATA;
> +                goto fail;
>              }
>              st->codecpar->codec_id = AV_CODEC_ID_BMP;
>              tmp = avio_rl32(pb);
> @@ -143,12 +141,14 @@ static int read_header(AVFormatContext *s)
>              break;
>          default:
>              avpriv_request_sample(s, "codec %d", codec);
> -            av_freep(&ico->images);
> -            return AVERROR_INVALIDDATA;
> +            goto fail;
>          }
>      }
>  
>      return 0;
> +fail:
> +    av_freep(&ico->images);
> +    return AVERROR_INVALIDDATA;
>  }
>  
>  static int read_packet(AVFormatContext *s, AVPacket *pkt)
> -- 
> 2.17.1

looks good

-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)

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