linux-kernel - [PATCH] regulator: max8952: Use devm

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Message-ID: <1337143847.3876.1.camel@phoenix>
Date:	Wed, 16 May 2012 12:50:47 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Liam Girdwood <lrg@...com>,
	MyungJoo Ham <myungjoo.ham@...sung.com>
Subject: [PATCH] regulator: max8952: Use devm_kzalloc

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/regulator/max8952.c |   11 +++--------
 1 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/regulator/max8952.c b/drivers/regulator/max8952.c
index 62ae140..910c9b2 100644
--- a/drivers/regulator/max8952.c
+++ b/drivers/regulator/max8952.c
@@ -181,7 +181,8 @@ static int __devinit max8952_pmic_probe(struct i2c_client *client,
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE))
 		return -EIO;
 
-	max8952 = kzalloc(sizeof(struct max8952_data), GFP_KERNEL);
+	max8952 = devm_kzalloc(&client->dev, sizeof(struct max8952_data),
+			       GFP_KERNEL);
 	if (!max8952)
 		return -ENOMEM;
 
@@ -198,7 +199,7 @@ static int __devinit max8952_pmic_probe(struct i2c_client *client,
 	if (IS_ERR(max8952->rdev)) {
 		ret = PTR_ERR(max8952->rdev);
 		dev_err(max8952->dev, "regulator init failed (%d)\n", ret);
-		goto err_reg;
+		return ret;
 	}
 
 	max8952->en = !!(pdata->reg_data.constraints.boot_on);
@@ -295,10 +296,6 @@ static int __devinit max8952_pmic_probe(struct i2c_client *client,
 	i2c_set_clientdata(client, max8952);
 
 	return 0;
-
-err_reg:
-	kfree(max8952);
-	return ret;
 }
 
 static int __devexit max8952_pmic_remove(struct i2c_client *client)
@@ -312,8 +309,6 @@ static int __devexit max8952_pmic_remove(struct i2c_client *client)
 	gpio_free(pdata->gpio_vid0);
 	gpio_free(pdata->gpio_vid1);
 	gpio_free(pdata->gpio_en);
-
-	kfree(max8952);
 	return 0;
 }
 
-- 
1.7.5.4



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