linux-kernel - Re: [PATCH v2] fs/buffer: Remove redundant assignment to err

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Date:   Mon, 3 Apr 2023 18:40:40 +0200
From:   Christian Brauner <brauner@...nel.org>
To:     Jan Kara <jack@...e.cz>
Cc:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        viro@...iv.linux.org.uk, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: [PATCH v2] fs/buffer: Remove redundant assignment to err

On Mon, Apr 03, 2023 at 06:38:02PM +0200, Jan Kara wrote:
> On Mon 03-04-23 18:10:43, Jan Kara wrote:
> > On Thu 23-03-23 10:32:59, Jiapeng Chong wrote:
> > > Variable 'err' set but not used.
> > > 
> > > fs/buffer.c:2613:2: warning: Value stored to 'err' is never read.
> > > 
> > > Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> > > Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4589
> > > Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> > 
> > I don't think the patch is quite correct (Christian, please drop it if I'm
> > correct). See below:
> 
> Ah, sorry. I had too old kernel accidentally checked out. The patch is fine
> with current upstream. Sorry for the noise!

No problem at all. I'm very happy that you took the time to review this.
This is very much needed!

Christian