net: arc_emac: Fix memleak in arc_mdio_probe
authorDinghao Liu <dinghao.liu@zju.edu.cn>
Sun, 23 Aug 2020 08:56:47 +0000 (16:56 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 9 Sep 2020 17:14:15 +0000 (19:14 +0200)
commitbb3eebda4e22c0a1999aa0d23639ffdd01818934
tree0d46ef6f00b7d2c8f6fa60077a962c14ce7c7220
parent9ea477348bd2ed3a3da34ed3701d2e96cf73775f
net: arc_emac: Fix memleak in arc_mdio_probe

[ Upstream commit e2d79cd8875fa8c3cc7defa98a8cc99a1ed0c62f ]

When devm_gpiod_get_optional() fails, bus should be
freed just like when of_mdiobus_register() fails.

Fixes: 1bddd96cba03d ("net: arc_emac: support the phy reset for emac driver")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/arc/emac_mdio.c