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hwmon: (lineage-pem) 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 08:56:45 -08:00 committed by Guenter Roeck
parent f352df652f
commit 07404aab52
1 changed files with 4 additions and 7 deletions
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11
drivers/hwmon/lineage-pem.c
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@ -448,7 +448,7 @@ static int pem_probe(struct i2c_client *client,
| I2C_FUNC_SMBUS_WRITE_BYTE))
return -ENODEV;
data = kzalloc(sizeof(*data), GFP_KERNEL);
data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
@ -462,11 +462,11 @@ static int pem_probe(struct i2c_client *client,
ret = pem_read_block(client, PEM_READ_FIRMWARE_REV,
data->firmware_rev, sizeof(data->firmware_rev));
if (ret < 0)
goto out_kfree;
return ret;
ret = i2c_smbus_write_byte(client, PEM_CLEAR_INFO_FLAGS);
if (ret < 0)
goto out_kfree;
return ret;
dev_info(&client->dev, "Firmware revision %d.%d.%d\n",
data->firmware_rev[0], data->firmware_rev[1],
@ -475,7 +475,7 @@ static int pem_probe(struct i2c_client *client,
/* Register sysfs hooks */
ret = sysfs_create_group(&client->dev.kobj, &pem_group);
if (ret)
goto out_kfree;
return ret;
/*
* Check if input readings are supported.
@ -534,8 +534,6 @@ static int pem_probe(struct i2c_client *client,
sysfs_remove_group(&client->dev.kobj, &pem_input_group);
sysfs_remove_group(&client->dev.kobj, &pem_fan_group);
sysfs_remove_group(&client->dev.kobj, &pem_group);
out_kfree:
kfree(data);
return ret;
}
@ -549,7 +547,6 @@ static int pem_remove(struct i2c_client *client)
sysfs_remove_group(&client->dev.kobj, &pem_fan_group);
sysfs_remove_group(&client->dev.kobj, &pem_group);
kfree(data);
return 0;
}