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From:   Thomas Gleixner <tglx@linutronix.de>
To:     Julia Lawall <julia.lawall@inria.fr>, Joe Perches <joe@perches.com>
Cc:     Valdis =?utf-8?Q?Kl=C4=93tnieks?= <valdis.kletnieks@vt.edu>,
        kernel-janitors <kernel-janitors@vger.kernel.org>,
        kernelnewbies <kernelnewbies@kernelnewbies.org>,
        linux-kernel-mentees@lists.linuxfoundation.org,
        Andrew Morton <akpm@linux-foundation.org>,
        cocci <cocci@systeme.lip6.fr>,
        Giuseppe Scrivano <gscrivan@redhat.com>,
        LKML <linux-kernel@vger.kernel.org>,
        Andy Whitcroft <apw@shadowen.org>
Subject: Re: [Cocci] coccinelle: Convert comma to semicolons (was Re: [PATCH] checkpatch: Add test for comma use that should be semicolon)
In-Reply-To: <alpine.DEB.2.22.394.2008220905460.3150@hadrien>
References: <20200818184107.f8af232fb58b17160c570874@linux-foundation.org> <3bf27caf462007dfa75647b040ab3191374a59de.camel@perches.com> <b0fd63e4b379eda69ee85ab098353582b8c054bb.camel@perches.com> <alpine.DEB.2.22.394.2008201021400.2524@hadrien> <a5713d8597065ef986f780499428fcc4cd31c003.camel@perches.com> <alpine.DEB.2.22.394.2008201856110.2524@hadrien> <744af177c09f8ce22c99d6e1df458bced558518b.camel@perches.com> <162653.1598067338@turing-police> <3836b482434bd0b9a609959d3696cc6113a93f2f.camel@perches.com> <alpine.DEB.2.22.394.2008220905460.3150@hadrien>
Date:   Thu, 24 Sep 2020 22:19:03 +0200
Message-ID: <87tuvn6i88.fsf@nanos.tec.linutronix.de>
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On Sat, Aug 22 2020 at 09:07, Julia Lawall wrote:
> On Fri, 21 Aug 2020, Joe Perches wrote:
>> True enough for a general statement, though the coccinelle
>> script Julia provided does not change a single instance of
>> for loop expressions with commas.
>>
>> As far as I can tell, no logic defect is introduced by the
>> script at all.
>
> The script has a rule to ensure that what is changed is part of a top
> level statement that has the form e1, e2;.  I put that in to avoid
> transforming cases where the comma is the body of a macro, but it protects
> against for loop headers as well.

Right. I went through the lot and did not find something dodgy. Except
for two hunks this still applies. Can someone please send a proper patch
with changelog/SOB etc. for this?

And of course that script really wants to be part of the kernel cocci
checks to catch further instances.

Thanks,

        tglx