linux-kernel - [PATCH 13/14] power: rx51_battery: use devm

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Date:	Mon, 11 Mar 2013 15:35:58 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Anton Vorontsov' <anton@...msg.org>
Cc:	'David Woodhouse' <dwmw2@...radead.org>,
	linux-kernel@...r.kernel.org, 'Jingoo Han' <jg1.han@...sung.com>
Subject: [PATCH 13/14] power: rx51_battery: use devm_kzalloc()

Use devm_kzalloc() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
 drivers/power/rx51_battery.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/drivers/power/rx51_battery.c b/drivers/power/rx51_battery.c
index 8208888..f9dc9ff 100644
--- a/drivers/power/rx51_battery.c
+++ b/drivers/power/rx51_battery.c
@@ -202,7 +202,7 @@ static int rx51_battery_probe(struct platform_device *pdev)
 	struct rx51_device_info *di;
 	int ret;
 
-	di = kzalloc(sizeof(*di), GFP_KERNEL);
+	di = devm_kzalloc(&pdev->dev, sizeof(*di), GFP_KERNEL);
 	if (!di)
 		return -ENOMEM;
 
@@ -217,7 +217,6 @@ static int rx51_battery_probe(struct platform_device *pdev)
 	ret = power_supply_register(di->dev, &di->bat);
 	if (ret) {
 		platform_set_drvdata(pdev, NULL);
-		kfree(di);
 		return ret;
 	}
 
@@ -230,7 +229,6 @@ static int rx51_battery_remove(struct platform_device *pdev)
 
 	power_supply_unregister(&di->bat);
 	platform_set_drvdata(pdev, NULL);
-	kfree(di);
 
 	return 0;
 }
-- 
1.7.2.5


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