linux-kernel - Re: [PATCH] netfilter: conntrack: fix -Wformat

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Message-ID: <CANiq72=WZwcPcrnpwGzS=vAGBL6KuG49btKMbwOKTt=puC7qwA@mail.gmail.com>
Date:   Thu, 3 Dec 2020 14:43:58 +0100
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Lukas Bulwahn <lukas.bulwahn@...il.com>
Cc:     Tom Rix <trix@...hat.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Joe Perches <joe@...ches.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        Dwaipayan Ray <dwaipayanray1@...il.com>
Subject: Re: [PATCH] netfilter: conntrack: fix -Wformat

On Thu, Dec 3, 2020 at 8:26 AM Lukas Bulwahn <lukas.bulwahn@...il.com> wrote:
>
> It is not a competition between checkpatch and clang-format, but if it would be:

Please note that clang-tidy is a different tool, it is designed to
write lints based on the AST rather than formatting.

> But jokes aside: Dwaipayan Ray, a mentee Joe and I are working with,
> has already submitted a patch to checkpatch that identifies those
> patterns and provides a fix:
>
> https://lore.kernel.org/lkml/20201128200046.78739-1-dwaipayanray1@gmail.com/

That is very good! However, it does not hurt to have it repeated in
clang-tidy too: it is a very good thing to have a full C parser behind
when writing lints!

Cheers,
Miguel