linux-kernel - Re: [PATCH] virtio-blk: modify the value type of num in virtio_queue

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Message-ID: <YZ5cVCy+bdvdcgxc@stefanha-x1.localdomain>
Date:   Wed, 24 Nov 2021 15:37:56 +0000
From:   Stefan Hajnoczi <stefanha@...hat.com>
To:     cgel.zte@...il.com
Cc:     mst@...hat.com, jasowang@...hat.com, pbonzini@...hat.com,
        axboe@...nel.dk, virtualization@...ts.linux-foundation.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ye Guojin <ye.guojin@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: Re: [PATCH] virtio-blk: modify the value type of num in
 virtio_queue_rq()

On Wed, Nov 17, 2021 at 06:39:55AM +0000, cgel.zte@...il.com wrote:
> From: Ye Guojin <ye.guojin@....com.cn>
> 
> This was found by coccicheck:
> ./drivers/block/virtio_blk.c, 334, 14-17, WARNING Unsigned expression
> compared with zero  num < 0
> 
> Reported-by: Zeal Robot <zealci@....com.cn>
> Signed-off-by: Ye Guojin <ye.guojin@....com.cn>
> ---
>  drivers/block/virtio_blk.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Stefan Hajnoczi <stefanha@...hat.com>

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