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authorAndrew Lunn <andrew@lunn.ch>2017-03-09 20:53:31 +0100
committerDavid S. Miller <davem@davemloft.net>2017-03-09 22:41:03 -0800
commit296739839fa2851e6badc77dcfc45050094cb102 (patch)
tree5184588169aac5e98fdb40096d79611e2295f7de /drivers/net/phy/marvell.c
parentb3b8812e66511b7da3c4fed140da5f751c38cd7a (diff)
downloadlinux-296739839fa2851e6badc77dcfc45050094cb102.tar.bz2
net: phy: marvell: Fix double free of hwmon device
The hwmon temperature sensor devices is registered using a devm_hwmon API call. The marvell_release() would then manually free the device, not using a devm_hmon API, resulting in the device being removed twice, leading to a crash in kernfs_find_ns() during the second removal. Remove the manual removal, which makes marvell_release() empty, so remove it as well. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Fixes: 0b04680fdae4 ("phy: marvell: Add support for temperature sensor") Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy/marvell.c')
-rw-r--r--drivers/net/phy/marvell.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index f9d0fa315a47..272b051a0199 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -1883,17 +1883,6 @@ static int m88e1510_probe(struct phy_device *phydev)
return m88e1510_hwmon_probe(phydev);
}
-static void marvell_remove(struct phy_device *phydev)
-{
-#ifdef CONFIG_HWMON
-
- struct marvell_priv *priv = phydev->priv;
-
- if (priv && priv->hwmon_dev)
- hwmon_device_unregister(priv->hwmon_dev);
-#endif
-}
-
static struct phy_driver marvell_drivers[] = {
{
.phy_id = MARVELL_PHY_ID_88E1101,
@@ -1974,7 +1963,6 @@ static struct phy_driver marvell_drivers[] = {
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = &m88e1121_probe,
- .remove = &marvell_remove,
.config_init = &m88e1121_config_init,
.config_aneg = &m88e1121_config_aneg,
.read_status = &marvell_read_status,
@@ -2087,7 +2075,6 @@ static struct phy_driver marvell_drivers[] = {
.features = PHY_GBIT_FEATURES | SUPPORTED_FIBRE,
.flags = PHY_HAS_INTERRUPT,
.probe = &m88e1510_probe,
- .remove = &marvell_remove,
.config_init = &m88e1510_config_init,
.config_aneg = &m88e1510_config_aneg,
.read_status = &marvell_read_status,
@@ -2109,7 +2096,6 @@ static struct phy_driver marvell_drivers[] = {
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.probe = m88e1510_probe,
- .remove = &marvell_remove,
.config_init = &marvell_config_init,
.config_aneg = &m88e1510_config_aneg,
.read_status = &marvell_read_status,
@@ -2127,7 +2113,6 @@ static struct phy_driver marvell_drivers[] = {
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1545",
.probe = m88e1510_probe,
- .remove = &marvell_remove,
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.config_init = &marvell_config_init,