diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 100adacfdca9..9031c57aa1b5 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -283,6 +283,7 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
 	return 0;
 
 unregister:
+	of_node_put(child);
 	mdiobus_unregister(mdio);
 	return rc;
 }