* Re: [PATCH] virtio-blk: modify the value type of num in virtio_queue_rq()
[not found] <20211117063955.160777-1-ye.guojin@zte.com.cn>
@ 2021-11-17 9:20 ` Stefano Garzarella
2021-11-24 15:37 ` Stefan Hajnoczi
1 sibling, 0 replies; 2+ messages in thread
From: Stefano Garzarella @ 2021-11-17 9:20 UTC (permalink / raw)
To: cgel.zte
Cc: axboe, mst, linux-kernel, virtualization, linux-block, stefanha,
Ye Guojin, pbonzini, Zeal Robot
On Wed, Nov 17, 2021 at 06:39:55AM +0000, cgel.zte@gmail.com wrote:
>From: Ye Guojin <ye.guojin@zte.com.cn>
>
>This was found by coccicheck:
>./drivers/block/virtio_blk.c, 334, 14-17, WARNING Unsigned expression
>compared with zero num < 0
>
We should add the Fixes tag:
Fixes: 02746e26c39e ("virtio-blk: avoid preallocating big SGL for data")
>Reported-by: Zeal Robot <zealci@zte.com.cn>
>Signed-off-by: Ye Guojin <ye.guojin@zte.com.cn>
>---
> drivers/block/virtio_blk.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
>index 97bf051a50ce..eed1666eff31 100644
>--- a/drivers/block/virtio_blk.c
>+++ b/drivers/block/virtio_blk.c
>@@ -316,7 +316,7 @@ static blk_status_t virtio_queue_rq(struct
>blk_mq_hw_ctx *hctx,
> struct request *req = bd->rq;
> struct virtblk_req *vbr = blk_mq_rq_to_pdu(req);
> unsigned long flags;
>- unsigned int num;
>+ int num;
> int qid = hctx->queue_num;
> bool notify = false;
> blk_status_t status;
>--
>2.25.1
>
The patch LGTM.
With the Fixes tag added:
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
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^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] virtio-blk: modify the value type of num in virtio_queue_rq()
[not found] <20211117063955.160777-1-ye.guojin@zte.com.cn>
2021-11-17 9:20 ` [PATCH] virtio-blk: modify the value type of num in virtio_queue_rq() Stefano Garzarella
@ 2021-11-24 15:37 ` Stefan Hajnoczi
1 sibling, 0 replies; 2+ messages in thread
From: Stefan Hajnoczi @ 2021-11-24 15:37 UTC (permalink / raw)
To: cgel.zte
Cc: axboe, mst, linux-kernel, virtualization, linux-block, Ye Guojin,
pbonzini, Zeal Robot
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On Wed, Nov 17, 2021 at 06:39:55AM +0000, cgel.zte@gmail.com wrote:
> From: Ye Guojin <ye.guojin@zte.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@zte.com.cn>
> Signed-off-by: Ye Guojin <ye.guojin@zte.com.cn>
> ---
> drivers/block/virtio_blk.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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