[PATCH 3.13.y-ckt 04/95] power_supply: lp8788-charger: Fix leaked power supply on probe fail

From: Kamal Mostafa
Date: Wed May 27 2015 - 15:28:14 EST


3.13.11-ckt21 -stable review patch. If anyone has any objections, please let me know.

------------------

From: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>

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@xxxxxxxxxxx>
Fixes: 98a276649358 ("power_supply: Add new lp8788 charger driver")
Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
drivers/power/lp8788-charger.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/power/lp8788-charger.c b/drivers/power/lp8788-charger.c
index ed49b50..72da2a6 100644
--- a/drivers/power/lp8788-charger.c
+++ b/drivers/power/lp8788-charger.c
@@ -417,8 +417,10 @@ static int lp8788_psy_register(struct platform_device *pdev,
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;
}
--
1.9.1

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