linux-kernel - Re: [PATCH] libbpf: Remove unnecessary conversion to bool

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Message-ID: <CAEf4BzYgLf5g3oztbA-CJR4gQ7AVKQAGrsHWCOgTtUMUM-Mxfg@mail.gmail.com>
Date:   Mon, 22 Feb 2021 17:49:18 -0800
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>, Martin Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        john fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH] libbpf: Remove unnecessary conversion to bool

On Sat, Feb 20, 2021 at 1:11 AM Jiapeng Chong
<jiapeng.chong@...ux.alibaba.com> wrote:
>
> Fix the following coccicheck warnings:
>
> ./tools/lib/bpf/libbpf.c:1487:43-48: WARNING: conversion to bool not
> needed here.
>
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> ---

I think this came up before already. I did this on purpose and I'd
like to keep it that way in the code.


>  tools/lib/bpf/libbpf.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
> index 6ae748f..5dfdbf3 100644
> --- a/tools/lib/bpf/libbpf.c
> +++ b/tools/lib/bpf/libbpf.c
> @@ -1484,7 +1484,7 @@ static int set_kcfg_value_tri(struct extern_desc *ext, void *ext_val,
>                                 ext->name, value);
>                         return -EINVAL;
>                 }
> -               *(bool *)ext_val = value == 'y' ? true : false;
> +               *(bool *)ext_val = value == 'y';
>                 break;
>         case KCFG_TRISTATE:
>                 if (value == 'y')
> --
> 1.8.3.1
>