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net: ethernet: bcmgenet: fix fixed-link phydev leaks

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Make sure to deregister and free any fixed-link PHY registered using
of_phy_register_fixed_link() on probe errors and on driver unbind.

Note that we're still leaking any fixed-link PHY registered in the
non-OF probe path.

Fixes: 9abf0c2b71 ("net: bcmgenet: use the new fixed PHY helpers")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johan Hovold 2016-11-28 19:24:59 +01:00 committed by David S. Miller
parent 39f8b0d426
commit 140ca9d347
1 changed files with 6 additions and 0 deletions
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6
drivers/net/ethernet/broadcom/genet/bcmmii.c
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@ -627,6 +627,7 @@ static int bcmgenet_mii_bus_init(struct bcmgenet_priv *priv)
int bcmgenet_mii_init(struct net_device *dev)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
struct device_node *dn = priv->pdev->dev.of_node;
int ret;
ret = bcmgenet_mii_alloc(priv);
@ -640,6 +641,8 @@ int bcmgenet_mii_init(struct net_device *dev)
return 0;
out:
if (of_phy_is_fixed_link(dn))
of_phy_deregister_fixed_link(dn);
of_node_put(priv->phy_dn);
mdiobus_unregister(priv->mii_bus);
mdiobus_free(priv->mii_bus);
@ -649,7 +652,10 @@ int bcmgenet_mii_init(struct net_device *dev)
void bcmgenet_mii_exit(struct net_device *dev)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
struct device_node *dn = priv->pdev->dev.of_node;
if (of_phy_is_fixed_link(dn))
of_phy_deregister_fixed_link(dn);
of_node_put(priv->phy_dn);
mdiobus_unregister(priv->mii_bus);
mdiobus_free(priv->mii_bus);