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Message-Id: <20150502190115.673462855@linuxfoundation.org>
Date:	Sat,  2 May 2015 21:03:45 +0200
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Sebastian Reichel <sre@...nel.org>
Subject: [PATCH 3.10 15/65] power_supply: lp8788-charger: Fix leaked power supply on probe fail

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

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

From: Krzysztof Kozlowski <k.kozlowski@...sung.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@...sung.com>
Fixes: 98a276649358 ("power_supply: Add new lp8788 charger driver")
Signed-off-by: Sebastian Reichel <sre@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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;
 }


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