linux-hardening - Re: [PATCH 3/3] ext4: refactor the inline directory conversion and new directory codepaths

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Message-ID: <aIozvXz0zcRYwwvQ@black.igk.intel.com>
Date: Wed, 30 Jul 2025 17:01:17 +0200
From: Andy Shevchenko <andriy.shevchenko@...el.com>
To: Eric Biggers <ebiggers@...nel.org>
Cc: Theodore Ts'o <tytso@....edu>, kernel test robot <lkp@...el.com>,
	Ext4 Developers List <linux-ext4@...r.kernel.org>,
	oe-kbuild-all@...ts.linux.dev, linux-hardening@...r.kernel.org,
	ethan@...ancedwards.com
Subject: Re: [PATCH 3/3] ext4: refactor the inline directory conversion and
 new directory codepaths

On Mon, Jul 21, 2025 at 04:15:59PM -0700, Eric Biggers wrote:
> On Sun, Jul 13, 2025 at 05:12:55AM +0800, kernel test robot wrote:
> > All warnings (new ones prefixed by >>):
> > 
> >    fs/ext4/namei.c: In function 'ext4_init_new_dir':
> > >> fs/ext4/namei.c:2968:34: warning: variable 'de' set but not used [-Wunused-but-set-variable]
> >     2968 |         struct ext4_dir_entry_2 *de;
> >          |                                  ^~
> 
> This warning is present in ext4/dev now.

For somebody (who doesn't alter CONFIG_WERROR) this is a build breakage with both GCC and clang.

-- 
With Best Regards,
Andy Shevchenko