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Subject[PATCH 3/3] regulator: max8660: Use devm_kzalloc()
From
Date
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
drivers/regulator/max8660.c | 20 +++++++-------------
1 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c
index 88f678e..9997cfb 100644
--- a/drivers/regulator/max8660.c
+++ b/drivers/regulator/max8660.c
@@ -367,16 +367,14 @@ static int __devinit max8660_probe(struct i2c_client *client,

if (pdata->num_subdevs > MAX8660_V_END) {
dev_err(&client->dev, "Too many regulators found!\n");
- goto out;
+ return -EINVAL;
}

max8660 = kzalloc(sizeof(struct max8660) +
sizeof(struct regulator_dev *) * MAX8660_V_END,
GFP_KERNEL);
- if (!max8660) {
- ret = -ENOMEM;
- goto out;
- }
+ if (!max8660)
+ return -ENOMEM;

max8660->client = client;
rdev = max8660->rdev;
@@ -405,7 +403,7 @@ static int __devinit max8660_probe(struct i2c_client *client,
for (i = 0; i < pdata->num_subdevs; i++) {

if (!pdata->subdevs[i].platform_data)
- goto err_free;
+ goto err_out;

boot_on = pdata->subdevs[i].platform_data->constraints.boot_on;

@@ -431,7 +429,7 @@ static int __devinit max8660_probe(struct i2c_client *client,
case MAX8660_V7:
if (!strcmp(i2c_id->name, "max8661")) {
dev_err(&client->dev, "Regulator not on this chip!\n");
- goto err_free;
+ goto err_out;
}

if (boot_on)
@@ -441,7 +439,7 @@ static int __devinit max8660_probe(struct i2c_client *client,
default:
dev_err(&client->dev, "invalid regulator %s\n",
pdata->subdevs[i].name);
- goto err_free;
+ goto err_out;
}
}

@@ -469,9 +467,7 @@ static int __devinit max8660_probe(struct i2c_client *client,
err_unregister:
while (--i >= 0)
regulator_unregister(rdev[i]);
-err_free:
- kfree(max8660);
-out:
+err_out:
return ret;
}

@@ -483,8 +479,6 @@ static int __devexit max8660_remove(struct i2c_client *client)
for (i = 0; i < MAX8660_V_END; i++)
if (max8660->rdev[i])
regulator_unregister(max8660->rdev[i]);
- kfree(max8660);
-
return 0;
}

--
1.7.5.4




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