linux-kernel - [PATCH 2/3] regulator: max1586: Use devm

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Date:	Wed, 11 Apr 2012 23:06:47 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Liam Girdwood <lrg@...com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH 2/3] regulator: max1586: Use devm_kzalloc()

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/regulator/max1586.c |   16 +++++-----------
 1 files changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index ea832b4..b9444ee 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -189,18 +189,17 @@ static int __devinit max1586_pmic_probe(struct i2c_client *client,
 	struct max1586_data *max1586;
 	int i, id, ret = -ENOMEM;
 
-	max1586 = kzalloc(sizeof(struct max1586_data) +
+	max1586 = devm_kzalloc(&client->dev, sizeof(struct max1586_data) +
 			sizeof(struct regulator_dev *) * (MAX1586_V6 + 1),
 			GFP_KERNEL);
 	if (!max1586)
-		goto out;
+		return -ENOMEM;
 
 	max1586->client = client;
 
-	if (!pdata->v3_gain) {
-		ret = -EINVAL;
-		goto out_unmap;
-	}
+	if (!pdata->v3_gain)
+		return -EINVAL;
+
 	max1586->min_uV = MAX1586_V3_MIN_UV / 1000 * pdata->v3_gain / 1000;
 	max1586->max_uV = MAX1586_V3_MAX_UV / 1000 * pdata->v3_gain / 1000;
 
@@ -234,9 +233,6 @@ static int __devinit max1586_pmic_probe(struct i2c_client *client,
 err:
 	while (--i >= 0)
 		regulator_unregister(rdev[i]);
-out_unmap:
-	kfree(max1586);
-out:
 	return ret;
 }
 
@@ -248,8 +244,6 @@ static int __devexit max1586_pmic_remove(struct i2c_client *client)
 	for (i = 0; i <= MAX1586_V6; i++)
 		if (max1586->rdev[i])
 			regulator_unregister(max1586->rdev[i]);
-	kfree(max1586);
-
 	return 0;
 }
 
-- 
1.7.5.4



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