diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 65d49d4..a267f77 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -188,7 +188,8 @@
 }
 EXPORT_SYMBOL_GPL(switchdev_port_attr_set);
 
-int __switchdev_port_obj_add(struct net_device *dev, struct switchdev_obj *obj)
+static int __switchdev_port_obj_add(struct net_device *dev,
+				    struct switchdev_obj *obj)
 {
 	const struct switchdev_ops *ops = dev->switchdev_ops;
 	struct net_device *lower_dev;