protocoll -> protocol

Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
---
 drivers/block/drbd/drbd_req.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 380e6584a4ee..60e6e016829e 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -1745,7 +1745,7 @@ void request_timer_fn(struct timer_list *t)
 	 * but which is still waiting for an ACK. */
 	req_peer = connection->req_ack_pending;
 
-	/* if we don't have such request (e.g. protocoll A)
+	/* if we don't have such request (e.g. protocol A)
 	 * check the oldest requests which is still waiting on its epoch
 	 * closing barrier ack. */
 	if (!req_peer)
-- 
2.34.1