From: Oleksij Rempel <o.rem...@pengutronix.de> Date: Tue, 1 Oct 2019 08:41:47 +0200
> @@ -571,7 +571,9 @@ static int ag71xx_mdio_probe(struct ag71xx *ag) > msleep(200); > } > > - err = of_mdiobus_register(mii_bus, np); > + mnp = of_get_child_by_name(np, "mdio"); > + err = of_mdiobus_register(mii_bus, mnp); of_get_child_by_name() can fail, so error checking is necessary before you pass mnp into of_mdiobus_register().
