[PATCH 3.14 22/92] power_supply: lp8788-charger: Fix leaked power supply on probe fail

Greg Kroah-Hartman
2015-05-02T19:41:45Z

From: Krzysztof Kozlowski <k.kozlowski@samsung.com>

commit a7117f81e8391e035c49b3440792f7e6cea28173 upstream.

Driver forgot to unregister charger power supply if registering of
battery supply failed in probe(). In such case the memory associated
with power supply leaked.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Fixes: 98a276649358 ("power_supply: Add new lp8788 charger driver")
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/power/lp8788-charger.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/power/lp8788-charger.c
+++ b/drivers/power/lp8788-charger.c
@@ -417,8 +417,10 @@ static int lp8788_psy_register(struct pl
pchg->battery.num_properties = ARRAY_SIZE(lp8788_battery_prop);
pchg->battery.get_property = lp8788_battery_get_property;

- if (power_supply_register(&pdev->dev, &pchg->battery))
+ if (power_supply_register(&pdev->dev, &pchg->battery)) {
+ power_supply_unregister(&pchg->charger);
return -EPERM;
+ }

return 0;
}