diff mbox series

[PULL,1/5] block/nvme: fix doorbell stride

Message ID 20190722172616.28797-2-mreitz@redhat.com
State New
Headers show
Series [PULL,1/5] block/nvme: fix doorbell stride | expand

Commit Message

Max Reitz July 22, 2019, 5:26 p.m. UTC 
From: Maxim Levitsky <mlevitsk@redhat.com>

Fix the math involving non standard doorbell stride

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20190716163020.13383-2-mlevitsk@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
---
 block/nvme.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

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: