diff --git a/[refs] b/[refs]
index d980845c6c49..f0320350db5a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d8ee9d69f275769aaad40ef7c944565ff8d2d24f
+refs/heads/master: e6d15f79f997a98b3a69abbc462fc9041cc1a7b4
diff --git a/trunk/drivers/block/nvme.c b/trunk/drivers/block/nvme.c
index 562d75a0fc50..45bfae1ebd50 100644
--- a/trunk/drivers/block/nvme.c
+++ b/trunk/drivers/block/nvme.c
@@ -156,7 +156,7 @@ static struct nvme_cmd_info *nvme_cmd_info(struct nvme_queue *nvmeq)
 static int alloc_cmdid(struct nvme_queue *nvmeq, void *ctx, int handler,
 							unsigned timeout)
 {
-	int depth = nvmeq->q_depth;
+	int depth = nvmeq->q_depth - 1;
 	struct nvme_cmd_info *info = nvme_cmd_info(nvmeq);
 	int cmdid;