diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 8aa76f813bcd..ade69c7b65b4 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -2243,6 +2243,7 @@ static void iscsi_ep_disconnect(struct iscsi_cls_conn *conn, bool is_active)
 static void iscsi_if_disconnect_bound_ep(struct iscsi_cls_conn *conn,
 					 struct iscsi_endpoint *ep,
 					 bool is_active)
+	__must_hold(&conn->ep_mutex)
 {
 	/* Check if this was a conn error and the kernel took ownership */
 	spin_lock_irq(&conn->lock);