[Qemu-devel] [PULL 1/5] block/nvme: fix doorbell stride

[Max Reitz]

From: Maxim Levitsky <address@hidden>

Fix the math involving non standard doorbell stride

Signed-off-by: Maxim Levitsky <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
Message-id: address@hidden
Signed-off-by: Max Reitz <address@hidden>
---
 block/nvme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/nvme.c b/block/nvme.c
index 9896b7f7c6..82fdefccd6 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:
-- 
2.21.0