[FFmpeg-devel] Patch: fftools/ffprobe.c: avoid overriding error code.

[Stefano Sabatini]

Similar approach as:
[FFmpeg-devel] [PATCH] ffprobe: restore reporting error code for failed inputs

On date Monday 2022-07-18 20:40:03 +0000, Yubo Xie wrote:
> From 7c28459fa1e8d0a375a239257601bb4e47460053 Mon Sep 17 00:00:00 2001
> From: xyb <xyb at xyb.name>
> Date: Mon, 18 Jul 2022 13:31:51 -0700
> Subject: [PATCH] [fftools/ffprobe.c] avoid overriding error code.
> 
> ---
>  fftools/ffprobe.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/fftools/ffprobe.c b/fftools/ffprobe.c
> index f156663019..cdd62de696 100644
> --- a/fftools/ffprobe.c
> +++ b/fftools/ffprobe.c
> @@ -4026,7 +4026,7 @@ int main(int argc, char **argv)
>      WriterContext *wctx;
>      char *buf;
>      char *w_name = NULL, *w_args = NULL;
> -    int ret, i;
> +    int ret, i, ret2 = 0;
>  
>      init_dynload();
>  
> @@ -4151,8 +4151,8 @@ int main(int argc, char **argv)
>          }
>  
>          writer_print_section_footer(wctx);
> -        ret = writer_close(&wctx);
> -        if (ret < 0)
> +        ret2 = writer_close(&wctx);
> +        if (ret2 < 0)

>              av_log(NULL, AV_LOG_ERROR, "Writing output failed: %s\n", av_err2str(ret));

ret2

>      }
>  
> @@ -4167,5 +4167,5 @@ end:
>  
>      avformat_network_deinit();
>  
> -    return ret < 0;
> +    return ret < 0 || ret2 < 0;

LGTM otherwise (it's probably better if we just return 1 in case of
failure, no need to propagate the negative error code from the main routine).