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regulator: max8660: Use devm_kzalloc()

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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin 2012-04-11 23:08:27 +08:00 committed by Mark Brown
parent b7bd05b8d5
commit 4d26f7d581
1 changed files with 7 additions and 13 deletions
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20
drivers/regulator/max8660.c
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@ -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;
}