linux-kernel - [PATCH 10/14] power: max8997_charger: use devm

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Message-id: <007a01ce1e22$8b9f7e50$a2de7af0$%han@samsung.com>
Date:	Mon, 11 Mar 2013 15:34:55 +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 10/14] power: max8997_charger: use devm_kzalloc()

Use devm_kzalloc() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
 drivers/power/max8997_charger.c |    9 +++------
 1 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/power/max8997_charger.c b/drivers/power/max8997_charger.c
index e757885..4bdedfe 100644
--- a/drivers/power/max8997_charger.c
+++ b/drivers/power/max8997_charger.c
@@ -138,7 +138,8 @@ static int max8997_battery_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	charger = kzalloc(sizeof(struct charger_data), GFP_KERNEL);
+	charger = devm_kzalloc(&pdev->dev, sizeof(struct charger_data),
+				GFP_KERNEL);
 	if (charger == NULL) {
 		dev_err(&pdev->dev, "Cannot allocate memory.\n");
 		return -ENOMEM;
@@ -158,13 +159,10 @@ static int max8997_battery_probe(struct platform_device *pdev)
 	ret = power_supply_register(&pdev->dev, &charger->battery);
 	if (ret) {
 		dev_err(&pdev->dev, "failed: power supply register\n");
-		goto err;
+		return ret;
 	}
 
 	return 0;
-err:
-	kfree(charger);
-	return ret;
 }
 
 static int max8997_battery_remove(struct platform_device *pdev)
@@ -172,7 +170,6 @@ static int max8997_battery_remove(struct platform_device *pdev)
 	struct charger_data *charger = platform_get_drvdata(pdev);
 
 	power_supply_unregister(&charger->battery);
-	kfree(charger);
 	return 0;
 }
 
-- 
1.7.2.5


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