linux-kernel - Re: [PATCH] xen-blkback: remove redundant assignment to variable i

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Message-ID: <YjhMre8vckI1HbSS@Air-de-Roger>
Date:   Mon, 21 Mar 2022 11:00:13 +0100
From:   Roger Pau Monné <roger.pau@...rix.com>
To:     Colin Ian King <colin.i.king@...il.com>
CC:     Jens Axboe <axboe@...nel.dk>, <xen-devel@...ts.xenproject.org>,
        <linux-block@...r.kernel.org>, <kernel-janitors@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <llvm@...ts.linux.dev>
Subject: Re: [PATCH] xen-blkback: remove redundant assignment to variable i

On Thu, Mar 17, 2022 at 11:46:46PM +0000, Colin Ian King wrote:
> Variable i is being assigned a value that is never read, it is being
> re-assigned later in a for-loop. The assignment is redundant and can
> be removed.
> 
> Cleans up clang scan build warning:
> drivers/block/xen-blkback/blkback.c:934:14: warning: Although the value
> stored to 'i' is used in the enclosing expression, the value is never
> actually read from 'i' [deadcode.DeadStores]
> 
> Signed-off-by: Colin Ian King <colin.i.king@...il.com>

Acked-by: Roger Pau Monné <roger.pau@...rix.com>

Thanks, Roger.