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hwmon: (smm665) Convert to use devm_kzalloc

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Marginally less code and eliminate the possibility of memory leaks.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2012-02-22 08:56:48 -08:00 committed by Guenter Roeck
parent 3683928720
commit b8a5a7cebd
1 changed files with 3 additions and 9 deletions
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12
drivers/hwmon/smm665.c
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@ -584,10 +584,9 @@ static int smm665_probe(struct i2c_client *client,
if (i2c_smbus_read_byte_data(client, SMM665_ADOC_ENABLE) < 0) if (i2c_smbus_read_byte_data(client, SMM665_ADOC_ENABLE) < 0)
return -ENODEV; return -ENODEV;
ret = -ENOMEM; data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (!data) if (!data)
goto out_return; return -ENOMEM;
i2c_set_clientdata(client, data); i2c_set_clientdata(client, data);
mutex_init(&data->update_lock); mutex_init(&data->update_lock);
@ -596,7 +595,7 @@ static int smm665_probe(struct i2c_client *client,
data->cmdreg = i2c_new_dummy(adapter, (client->addr & ~SMM665_REGMASK) data->cmdreg = i2c_new_dummy(adapter, (client->addr & ~SMM665_REGMASK)
| SMM665_CMDREG_BASE); | SMM665_CMDREG_BASE);
if (!data->cmdreg) if (!data->cmdreg)
goto out_kfree; return -ENOMEM;
switch (data->type) { switch (data->type) {
case smm465: case smm465:
@ -679,9 +678,6 @@ out_remove_group:
sysfs_remove_group(&client->dev.kobj, &smm665_group); sysfs_remove_group(&client->dev.kobj, &smm665_group);
out_unregister: out_unregister:
i2c_unregister_device(data->cmdreg); i2c_unregister_device(data->cmdreg);
out_kfree:
kfree(data);
out_return:
return ret; return ret;
} }
@ -693,8 +689,6 @@ static int smm665_remove(struct i2c_client *client)
hwmon_device_unregister(data->hwmon_dev); hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&client->dev.kobj, &smm665_group); sysfs_remove_group(&client->dev.kobj, &smm665_group);
kfree(data);
return 0; return 0;
} }