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net: dsa: fix fixed-link-phy device leaks 

Make sure to drop the reference taken by of_phy_find_device() when
registering and deregistering the fixed-link PHY-device.

Fixes: 39b0c70519 ("net: dsa: Allow configuration of CPU & DSA port
speeds/duplex")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johan Hovold 2016-11-24 19:21:27 +01:00 committed by David S. Miller
parent c9bd28233b
commit fd05d7b18c
1 changed files with 4 additions and 1 deletions
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5
net/dsa/dsa.c
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@ -233,6 +233,8 @@ int dsa_cpu_dsa_setup(struct dsa_switch *ds, struct device *dev,
genphy_read_status(phydev); genphy_read_status(phydev);
if (ds->ops->adjust_link) if (ds->ops->adjust_link)
ds->ops->adjust_link(ds, port, phydev); ds->ops->adjust_link(ds, port, phydev);
put_device(&phydev->mdio.dev);
} }
return 0; return 0;
@ -509,8 +511,9 @@ void dsa_cpu_dsa_destroy(struct device_node *port_dn)
if (of_phy_is_fixed_link(port_dn)) { if (of_phy_is_fixed_link(port_dn)) {
phydev = of_phy_find_device(port_dn); phydev = of_phy_find_device(port_dn);
if (phydev) { if (phydev) {
phy_device_free(phydev);
fixed_phy_unregister(phydev); fixed_phy_unregister(phydev);
put_device(&phydev->mdio.dev);
phy_device_free(phydev);
} }
} }
} }