From: Josef Bacik <josef@toxicpanda.com>
To: David Sterba <dsterba@suse.com>
Cc: linux-btrfs@vger.kernel.org, Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: [PATCH] btrfs: initialize last_extent_end to fix -Wmaybe-uninitialized warning in extent_fiemap()
Date: Wed, 21 Aug 2024 13:29:32 -0400 [thread overview]
Message-ID: <20240821172932.GE1998418@perftesting> (raw)
In-Reply-To: <20240820233132.24652-1-dsterba@suse.com>
On Wed, Aug 21, 2024 at 01:31:32AM +0200, David Sterba wrote:
> There's a warning (probably on some older compiler version):
>
> fs/btrfs/fiemap.c: warning: 'last_extent_end' may be used uninitialized in this function [-Wmaybe-uninitialized]: => 822:19
>
> Initialize the variable to 0 although it's not necessary as it's either
> properly set or not used after an error. The called function is in the
> same file so this is a false alert but we want to fix all
> -Wmaybe-uninitialized reports.
>
> Link: https://lore.kernel.org/all/20240819070639.2558629-1-geert@linux-m68k.org/
> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
> Signed-off-by: David Sterba <dsterba@suse.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Thanks,
Josef
prev parent reply other threads:[~2024-08-21 17:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-20 23:31 [PATCH] btrfs: initialize last_extent_end to fix -Wmaybe-uninitialized warning in extent_fiemap() David Sterba
2024-08-21 17:29 ` Josef Bacik [this message]
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