linux-kernel - [PATCH 12/14] power: pcf50633-charger: use devm

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Message-id: <007c01ce1e22$a502f980$ef08ec80$%han@samsung.com>
Date:	Mon, 11 Mar 2013 15:35:38 +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 12/14] power: pcf50633-charger: use devm_kzalloc()

Use devm_kzalloc() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
 drivers/power/pcf50633-charger.c |    7 +------
 1 files changed, 1 insertions(+), 6 deletions(-)

diff --git a/drivers/power/pcf50633-charger.c b/drivers/power/pcf50633-charger.c
index c2122a7..17fd77f 100644
--- a/drivers/power/pcf50633-charger.c
+++ b/drivers/power/pcf50633-charger.c
@@ -373,7 +373,7 @@ static int pcf50633_mbc_probe(struct platform_device *pdev)
 	int i;
 	u8 mbcs1;
 
-	mbc = kzalloc(sizeof(*mbc), GFP_KERNEL);
+	mbc = devm_kzalloc(&pdev->dev, sizeof(*mbc), GFP_KERNEL);
 	if (!mbc)
 		return -ENOMEM;
 
@@ -413,7 +413,6 @@ static int pcf50633_mbc_probe(struct platform_device *pdev)
 	ret = power_supply_register(&pdev->dev, &mbc->adapter);
 	if (ret) {
 		dev_err(mbc->pcf->dev, "failed to register adapter\n");
-		kfree(mbc);
 		return ret;
 	}
 
@@ -421,7 +420,6 @@ static int pcf50633_mbc_probe(struct platform_device *pdev)
 	if (ret) {
 		dev_err(mbc->pcf->dev, "failed to register usb\n");
 		power_supply_unregister(&mbc->adapter);
-		kfree(mbc);
 		return ret;
 	}
 
@@ -430,7 +428,6 @@ static int pcf50633_mbc_probe(struct platform_device *pdev)
 		dev_err(mbc->pcf->dev, "failed to register ac\n");
 		power_supply_unregister(&mbc->adapter);
 		power_supply_unregister(&mbc->usb);
-		kfree(mbc);
 		return ret;
 	}
 
@@ -461,8 +458,6 @@ static int pcf50633_mbc_remove(struct platform_device *pdev)
 	power_supply_unregister(&mbc->adapter);
 	power_supply_unregister(&mbc->ac);
 
-	kfree(mbc);
-
 	return 0;
 }
 
-- 
1.7.2.5


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