diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index 799ff0efcc55..2535d3dfb92c 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -2067,7 +2067,7 @@ static void dcbnl_flush_dev(struct net_device *dev)
 {
 	struct dcb_app_type *itr, *tmp;
 
-	spin_lock(&dcb_lock);
+	spin_lock_bh(&dcb_lock);
 
 	list_for_each_entry_safe(itr, tmp, &dcb_app_list, list) {
 		if (itr->ifindex == dev->ifindex) {
@@ -2076,7 +2076,7 @@ static void dcbnl_flush_dev(struct net_device *dev)
 		}
 	}
 
-	spin_unlock(&dcb_lock);
+	spin_unlock_bh(&dcb_lock);
 }
 
 static int dcbnl_netdevice_event(struct notifier_block *nb,