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Date:   Fri, 20 Aug 2021 12:40:52 +0200
From:   David Sterba <dsterba@suse.cz>
To:     jing yangyang <cgel.zte@gmail.com>
Cc:     Chris Mason <clm@fb.com>, Josef Bacik <josef@toxicpanda.com>,
        David Sterba <dsterba@suse.com>, linux-btrfs@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        jing yangyang <jing.yangyang@zte.com.cn>,
        Zeal Robot <zealci@zte.com.cn>
Subject: Re: [PATCH linux-next] fs: btrfs: fix returnvar.cocci warnings
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On Thu, Aug 19, 2021 at 07:32:29PM -0700, jing yangyang wrote:
> Remove unneeded variables when "0" can be returned.
> 
> Generated by: scripts/coccinelle/misc/returnvar.cocci

Fixing that needs much more work that's not obvious from the function
itself.