[Qemu-block] [PATCH v3 2/6] block/nvme: fix doorbell stride

[Maxim Levitsky]

Fix the math involving non standard doorbell stride

Signed-off-by: Maxim Levitsky <mlevi...@redhat.com>
---
 block/nvme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/nvme.c b/block/nvme.c
index 6d4e7f3d83..52798081b2 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -217,7 +217,7 @@ static NVMeQueuePair 
*nvme_create_queue_pair(BlockDriverState *bs,
         error_propagate(errp, local_err);
         goto fail;
     }
-    q->cq.doorbell = &s->regs->doorbells[idx * 2 * s->doorbell_scale + 1];
+    q->cq.doorbell = &s->regs->doorbells[(idx * 2 + 1) * s->doorbell_scale];
 
     return q;
 fail:
-- 
2.17.2