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Re: [PATCH] xen-blkback: remove redundant assignment to variable i
- To: Colin Ian King <colin.i.king@xxxxxxxxx>
- From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Date: Mon, 21 Mar 2022 11:00:13 +0100
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- Cc: Jens Axboe <axboe@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>, <linux-block@xxxxxxxxxxxxxxx>, <kernel-janitors@xxxxxxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <llvm@xxxxxxxxxxxxxxx>
- Delivery-date: Mon, 21 Mar 2022 10:00:32 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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@xxxxxxxxx>
Acked-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Thanks, Roger.
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