net: ethernet: Fix memleak in ethoc_probe
When mdiobus_register() fails, priv->mdio allocated by mdiobus_alloc() has not been freed, which leads to memleak. Fixes: e7f4dc35 ("mdio: Move allocation of interrupts into core") Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20201223110615.31389-1-dinghao.liu@zju.edu.cn Signed-off-by: Jakub Kicinski <kuba@kernel.org>