diff --git a/net/dsa/master.c b/net/dsa/master.c
index 3255dfc97f86..be0b4ed3b7d8 100644
--- a/net/dsa/master.c
+++ b/net/dsa/master.c
@@ -259,7 +259,8 @@ static void dsa_master_ndo_teardown(struct net_device *dev)
 {
 	struct dsa_port *cpu_dp = dev->dsa_ptr;
 
-	dev->netdev_ops = cpu_dp->orig_ndo_ops;
+	if (cpu_dp->orig_ndo_ops)
+		dev->netdev_ops = cpu_dp->orig_ndo_ops;
 	cpu_dp->orig_ndo_ops = NULL;
 }