diff --git a/[refs] b/[refs]
index e1562edb0feb..704b57cadb2f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fa92282149842645931580225647238428374758
+refs/heads/master: 19e899b2f9f89f4a290dd5c9c24d15987a18ab21
diff --git a/trunk/drivers/block/nvme.c b/trunk/drivers/block/nvme.c
index 740a9c1b81aa..d4f95eb51dc1 100644
--- a/trunk/drivers/block/nvme.c
+++ b/trunk/drivers/block/nvme.c
@@ -245,7 +245,6 @@ static int nvme_submit_cmd(struct nvme_queue *nvmeq, struct nvme_command *cmd)
 {
 	unsigned long flags;
 	u16 tail;
-	/* XXX: Need to check tail isn't going to overrun head */
 	spin_lock_irqsave(&nvmeq->q_lock, flags);
 	tail = nvmeq->sq_tail;
 	memcpy(&nvmeq->sq_cmds[tail], cmd, sizeof(*cmd));
diff --git a/trunk/include/linux/nvme.h b/trunk/include/linux/nvme.h
index c46a9b7988fb..6b5a8d19daf5 100644
--- a/trunk/include/linux/nvme.h
+++ b/trunk/include/linux/nvme.h
@@ -323,7 +323,6 @@ struct nvme_command {
 	};
 };
 
-/* XXX: Sync with spec */
 enum {
 	NVME_SC_SUCCESS			= 0x0,
 	NVME_SC_INVALID_OPCODE		= 0x1,