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authorWoojung Huh <woojung.huh@microchip.com>2016-11-23 23:10:33 +0000
committerDavid S. Miller <davem@davemloft.net>2016-11-25 19:57:57 -0500
commita7dac9f9c1695d7470b2f4e7447513e4a71b7c1b (patch)
tree1118e18f73b9b8c74b7a049f4c48395ee2b2212a /drivers
parentnet: properly flush delay-freed skbs (diff)
downloadlinux-dev-a7dac9f9c1695d7470b2f4e7447513e4a71b7c1b.tar.xz
linux-dev-a7dac9f9c1695d7470b2f4e7447513e4a71b7c1b.zip
phy: fix error case of phy_led_triggers_(un)register
When phy_init_hw() fails at phy_attach_direct(); - phy_detach() calls phy_led_triggers_unregister() without previous call of phy_led_triggers_register(). - still call phy_led_triggers_register() and cause memory leak. Fixes: 2e0bc452f472 ("net: phy: leds: add support for led triggers on phy link state change") Signed-off-by: Woojung Huh <woojung.huh@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/phy/phy_device.c6
-rw-r--r--drivers/net/phy/phy_led_triggers.c2
2 files changed, 3 insertions, 5 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 9e8f048891bd..ba86c191a13e 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -914,15 +914,15 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
*/
err = phy_init_hw(phydev);
if (err)
- phy_detach(phydev);
- else
- phy_resume(phydev);
+ goto error;
+ phy_resume(phydev);
phy_led_triggers_register(phydev);
return err;
error:
+ phy_detach(phydev);
put_device(d);
module_put(bus->owner);
return err;
diff --git a/drivers/net/phy/phy_led_triggers.c b/drivers/net/phy/phy_led_triggers.c
index cda600a1b766..fa62bdf2f526 100644
--- a/drivers/net/phy/phy_led_triggers.c
+++ b/drivers/net/phy/phy_led_triggers.c
@@ -130,7 +130,5 @@ void phy_led_triggers_unregister(struct phy_device *phy)
for (i = 0; i < phy->phy_num_led_triggers; i++)
phy_led_trigger_unregister(&phy->phy_led_triggers[i]);
-
- devm_kfree(&phy->mdio.dev, phy->phy_led_triggers);
}
EXPORT_SYMBOL_GPL(phy_led_triggers_unregister);