Re: [PATCH] tools/bpf: Add missing fclose.

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On Thu, Sep 12, 2024 at 1:58 AM zhangjiao2
<zhangjiao2@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> From: zhang jiao <zhangjiao2@xxxxxxxxxxxxxxxxxxxx>
>
> Cppcheck find a error as below:
>         bpf_dbg.c:1397:2: error: Resource leak: fin [resourceLeak]
> Add fclose to rm this error.
>
> Signed-off-by: zhang jiao <zhangjiao2@xxxxxxxxxxxxxxxxxxxx>
> ---
>  tools/bpf/bpf_dbg.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/tools/bpf/bpf_dbg.c b/tools/bpf/bpf_dbg.c
> index 00e560a17baf..5fb17fa0ace8 100644
> --- a/tools/bpf/bpf_dbg.c
> +++ b/tools/bpf/bpf_dbg.c
> @@ -1394,5 +1394,11 @@ int main(int argc, char **argv)
>         if (argc >= 3)
>                 fout = fopen(argv[2], "w");
>
> -       return run_shell_loop(fin ? : stdin, fout ? : stdout);
> +       run_shell_loop(fin ? : stdin, fout ? : stdout);
> +
> +       if (fin)
> +               fclose(fin);
> +       if (fout)
> +               fclose(fout);
> +       return 0;

main() is about to exit. There is really no need to close it explicitly.

pw-bot: cr

Daniel,

is this debugger still useful?
Should we remove it?
and bpf_jit_disasm.c too ?





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