Stefano Garzarella
2021-Nov-17 09:20 UTC
[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 at gmail.com wrote:>From: Ye Guojin <ye.guojin at 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 at zte.com.cn> >Signed-off-by: Ye Guojin <ye.guojin at 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 at redhat.com>