From 461bba04bff0b3712a02fe49812b497c758e78da Mon Sep 17 00:00:00 2001 From: Maxim Levitsky Date: Tue, 16 Jul 2019 19:30:18 +0300 Subject: [PATCH] block/nvme: fix doorbell stride Fix the math involving non standard doorbell stride Signed-off-by: Maxim Levitsky Reviewed-by: Max Reitz Message-id: 20190716163020.13383-2-mlevitsk@redhat.com Signed-off-by: Max Reitz --- 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: -- 2.39.2