linux-kernel - Re: [v3] checkpatch: add uninitialized pointer with _

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Message-ID: <77906375-2d34-4861-9e17-1e61dfaaa59f@web.de>
Date: Thu, 6 Nov 2025 18:03:15 +0100
From: Markus Elfring <Markus.Elfring@....de>
To: Ally Heev <allyheev@...il.com>, Geert Uytterhoeven
 <geert@...ux-m68k.org>, linux-doc@...r.kernel.org,
 workflows@...r.kernel.org, Joe Perches <joe@...ches.com>
Cc: LKML <linux-kernel@...r.kernel.org>, linux-pm@...r.kernel.org,
 Andy Whitcroft <apw@...onical.com>, Jonathan Corbet <corbet@....net>,
 Dan Carpenter <dan.carpenter@...aro.org>,
 Dan Williams <dan.j.williams@...el.com>,
 David Hunter <david.hunter.linux@...il.com>,
 Dwaipayan Ray <dwaipayanray1@...il.com>,
 Lukas Bulwahn <lukas.bulwahn@...il.com>, Nishanth Menon <nm@...com>,
 Shuah Khan <skhan@...uxfoundation.org>, Stephen Boyd <sboyd@...nel.org>,
 Viresh Kumar <vireshk@...nel.org>
Subject: Re: [v3] checkpatch: add uninitialized pointer with __free attribute
 check

>> * Do corresponding source code analysis requirements indicate a need
>>   to perform data processing with other programming interfaces than regular expressions?
> 
> not sure about other source code analysis tools, but checkpatch
> predominantly uses regexes

Would you become interested to discuss additional software design approaches?


>> * How do you think about to mention the possibility once more that scopes
>>   can be reduced for affected local variables?
>>   https://elixir.bootlin.com/linux/v6.18-rc4/source/include/linux/cleanup.h#L142-L146
>>  ...
> 
> The docstring talks about interdependency issues caused by assigning to
> `NULL` which are very rare

It seems that you interpret a linked information source in a special direction.
Several developers are stumbling on challenges also according to software evolution.

Regards,
Markus