linux-kernel - Re: [PATCH] mtd: mtd_oobtest: Remove redundant assignment to err

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Date:   Mon, 10 May 2021 12:43:50 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        miquel.raynal@...tlin.com
Cc:     richard@....at, vigneshr@...com, linux-mtd@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mtd: mtd_oobtest: Remove redundant assignment to err

On Sun, 2021-04-25 at 10:28:18 UTC, Jiapeng Chong wrote:
> Variable err is set to zero but this value is never read as it is
> overwritten with a new value later on, hence it is a redundant
> assignment and can be removed.
> 
> Cleans up the following clang-analyzer warning:
> 
> drivers/mtd/tests/oobtest.c:626:4: warning: Value stored to 'err' is
> never read [clang-analyzer-deadcode.DeadStores].
> 
> drivers/mtd/tests/oobtest.c:603:4: warning: Value stored to 'err' is
> never read [clang-analyzer-deadcode.DeadStores].
> 
> drivers/mtd/tests/oobtest.c:579:4: warning: Value stored to 'err' is
> never read [clang-analyzer-deadcode.DeadStores].
> 
> drivers/mtd/tests/oobtest.c:556:4: warning: Value stored to 'err' is
> never read [clang-analyzer-deadcode.DeadStores].
> 
> drivers/mtd/tests/oobtest.c:532:3: warning: Value stored to 'err' is
> never read [clang-analyzer-deadcode.DeadStores].
> 
> drivers/mtd/tests/oobtest.c:509:3: warning: Value stored to 'err' is
> never read [clang-analyzer-deadcode.DeadStores].
> 
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks.

Miquel