diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 556951e66978526da2647e6c9fbfd068ee090b72..409efcf9b5c85c95a03eb02863c52e1d0e2bffbb 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -324,6 +324,7 @@ static int mtk_mdio_init(struct mtk_eth *eth)
 	err = of_mdiobus_register(eth->mii_bus, mii_np);
 	if (err)
 		goto err_free_bus;
+	of_node_put(mii_np);
 
 	return 0;