netdev - Re: [PATCH 1/1] libbpf: Delete an unneeded bool conversion

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Date:   Wed, 12 May 2021 12:02:11 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Leon Romanovsky <leon@...nel.org>
Cc:     Zhen Lei <thunder.leizhen@...wei.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>, netdev <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>
Subject: Re: [PATCH 1/1] libbpf: Delete an unneeded bool conversion

On Mon, May 10, 2021 at 10:09 PM Leon Romanovsky <leon@...nel.org> wrote:
>
> On Mon, May 10, 2021 at 11:00:29AM -0700, Andrii Nakryiko wrote:
> > On Mon, May 10, 2021 at 5:43 AM Zhen Lei <thunder.leizhen@...wei.com> wrote:
> > >
> > > The result of an expression consisting of a single relational operator is
> > > already of the bool type and does not need to be evaluated explicitly.
> > >
> > > No functional change.
> > >
> > > Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
> > > ---
> >
> > See [0] and [1].
> >
> >   [0] https://lore.kernel.org/bpf/CAEf4BzYgLf5g3oztbA-CJR4gQ7AVKQAGrsHWCOgTtUMUM-Mxfg@mail.gmail.com/
> >   [1] https://lore.kernel.org/bpf/CAEf4BzZQ6=-h3g1duXFwDLr92z7nE6ajv8Rz_Zv=qx=-F3sRVA@mail.gmail.com/
>
> How long do you plan to fight with such patches?

As long as necessary. There are better ways to contribute to libbpf
than doing cosmetic changes to the perfectly correct code.

>
> Thanks
>
> >
> > >  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 e2a3cf4378140f2..fa02213c451f4d2 100644
> > > --- a/tools/lib/bpf/libbpf.c
> > > +++ b/tools/lib/bpf/libbpf.c
> > > @@ -1504,7 +1504,7 @@ 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')
> > > --
> > > 2.26.0.106.g9fadedd
> > >
> > >