linux-kernel - Re: [PATCH linux-next] fs: btrfs: fix returnvar.cocci warnings

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Message-ID: <20210820104052.GL5047@twin.jikos.cz>
Date:   Fri, 20 Aug 2021 12:40:52 +0200
From:   David Sterba <dsterba@...e.cz>
To:     jing yangyang <cgel.zte@...il.com>
Cc:     Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>, linux-btrfs@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        jing yangyang <jing.yangyang@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: Re: [PATCH linux-next] fs: btrfs: fix returnvar.cocci warnings

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.