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From: Lukas Bulwahn <lukas.bulwahn@gmail.com>
To: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Tom Rix <trix@redhat.com>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Joe Perches <joe@perches.com>,
	Nathan Chancellor <natechancellor@gmail.com>,
	LKML <linux-kernel@vger.kernel.org>,
	clang-built-linux <clang-built-linux@googlegroups.com>,
	Dwaipayan Ray <dwaipayanray1@gmail.com>
Subject: Re: [PATCH] netfilter: conntrack: fix -Wformat
Date: Thu, 3 Dec 2020 15:40:12 +0100
Message-ID: <CAKXUXMz4DffG-CW7RZu1X1irw7vpFyuvKyQA4d0C-v0Mq1r81w@mail.gmail.com> (raw)
In-Reply-To: <CANiq72=WZwcPcrnpwGzS=vAGBL6KuG49btKMbwOKTt=puC7qwA@mail.gmail.com>

On Thu, Dec 3, 2020 at 2:44 PM Miguel Ojeda
<miguel.ojeda.sandonis@gmail.com> wrote:
>
> On Thu, Dec 3, 2020 at 8:26 AM Lukas Bulwahn <lukas.bulwahn@gmail.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!
>

Completely agree. A regular expression is only a limited (but quite
powerful) heuristics to a full C parser :)

... and it did a good job in the case here.

Lukas

> Cheers,
> Miguel

  reply index

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-07  7:55 Nick Desaulniers
2020-11-07 10:32 ` Joe Perches
2020-11-08  7:34   ` Lukas Bulwahn
2020-11-08 10:10     ` Joe Perches
2020-11-10 22:00   ` Nick Desaulniers
2020-11-10 22:04     ` Joe Perches
2020-11-10 22:06       ` Nick Desaulniers
2020-12-02 22:34       ` Nick Desaulniers
2020-12-03  0:46         ` Tom Rix
2020-12-03  7:26           ` Lukas Bulwahn
2020-12-03 13:43             ` Miguel Ojeda
2020-12-03 14:40               ` Lukas Bulwahn [this message]
2020-12-03 14:39             ` Tom Rix
2020-12-03 16:45               ` Joe Perches
2020-12-13 19:21         ` Tom Rix
2020-12-13 23:25           ` Joe Perches
2020-12-13 23:29             ` Tom Rix
2020-11-07 17:52 ` Jakub Kicinski
2020-11-09 15:43 ` kernel test robot

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