diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c
index 6574f9bcdc02..c688dee96503 100644
--- a/net/openvswitch/vport-netdev.c
+++ b/net/openvswitch/vport-netdev.c
@@ -151,11 +151,15 @@ static void vport_netdev_free(struct rcu_head *rcu)
 void ovs_netdev_detach_dev(struct vport *vport)
 {
 	ASSERT_RTNL();
-	vport->dev->priv_flags &= ~IFF_OVS_DATAPATH;
 	netdev_rx_handler_unregister(vport->dev);
 	netdev_upper_dev_unlink(vport->dev,
 				netdev_master_upper_dev_get(vport->dev));
 	dev_set_promiscuity(vport->dev, -1);
+
+	/* paired with smp_mb() in netdev_destroy() */
+	smp_wmb();
+
+	vport->dev->priv_flags &= ~IFF_OVS_DATAPATH;
 }
 
 static void netdev_destroy(struct vport *vport)
@@ -174,6 +178,9 @@ static void netdev_destroy(struct vport *vport)
 		rtnl_unlock();
 	}
 
+	/* paired with smp_wmb() in ovs_netdev_detach_dev() */
+	smp_mb();
+
 	call_rcu(&vport->rcu, vport_netdev_free);
 }