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Date:	Mon, 11 Mar 2013 15:36:19 +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 14/14] power: wm831x_backup: use devm_kzalloc()

Use devm_kzalloc() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
---
 drivers/power/wm831x_backup.c |   10 ++--------
 1 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/power/wm831x_backup.c b/drivers/power/wm831x_backup.c
index d9cc169..58cbb00 100644
--- a/drivers/power/wm831x_backup.c
+++ b/drivers/power/wm831x_backup.c
@@ -169,7 +169,8 @@ static int wm831x_backup_probe(struct platform_device *pdev)
 	struct power_supply *backup;
 	int ret;
 
-	devdata = kzalloc(sizeof(struct wm831x_backup), GFP_KERNEL);
+	devdata = devm_kzalloc(&pdev->dev, sizeof(struct wm831x_backup),
+				GFP_KERNEL);
 	if (devdata == NULL)
 		return -ENOMEM;
 
@@ -197,14 +198,8 @@ static int wm831x_backup_probe(struct platform_device *pdev)
 	backup->num_properties = ARRAY_SIZE(wm831x_backup_props);
 	backup->get_property = wm831x_backup_get_prop;
 	ret = power_supply_register(&pdev->dev, backup);
-	if (ret)
-		goto err_kmalloc;
 
 	return ret;
-
-err_kmalloc:
-	kfree(devdata);
-	return ret;
 }
 
 static int wm831x_backup_remove(struct platform_device *pdev)
@@ -213,7 +208,6 @@ static int wm831x_backup_remove(struct platform_device *pdev)
 
 	power_supply_unregister(&devdata->backup);
 	kfree(devdata->backup.name);
-	kfree(devdata);
 
 	return 0;
 }
-- 
1.7.2.5


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