hwmon: (pmbus) Convert pmbus drivers to use devm_kzalloc
Marginally less code and eliminate the possibility of memory leaks.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
diff --git a/drivers/hwmon/pmbus/ucd9000.c b/drivers/hwmon/pmbus/ucd9000.c
index 759a563..e057345 100644
--- a/drivers/hwmon/pmbus/ucd9000.c
+++ b/drivers/hwmon/pmbus/ucd9000.c
@@ -155,7 +155,8 @@
"Device mismatch: Configured %s, detected %s\n",
id->name, mid->name);
- data = kzalloc(sizeof(struct ucd9000_data), GFP_KERNEL);
+ data = devm_kzalloc(&client->dev, sizeof(struct ucd9000_data),
+ GFP_KERNEL);
if (!data)
return -ENOMEM;
info = &data->info;
@@ -164,13 +165,12 @@
if (ret < 0) {
dev_err(&client->dev,
"Failed to read number of active pages\n");
- goto out;
+ return ret;
}
info->pages = ret;
if (!info->pages) {
dev_err(&client->dev, "No pages configured\n");
- ret = -ENODEV;
- goto out;
+ return -ENODEV;
}
/* The internal temperature sensor is always active */
@@ -181,8 +181,7 @@
block_buffer);
if (ret <= 0) {
dev_err(&client->dev, "Failed to read configuration data\n");
- ret = -ENODEV;
- goto out;
+ return -ENODEV;
}
for (i = 0; i < ret; i++) {
int page = UCD9000_MON_PAGE(block_buffer[i]);
@@ -218,7 +217,7 @@
UCD9000_FAN_CONFIG,
data->fan_data[i]);
if (ret < 0)
- goto out;
+ return ret;
}
i2c_smbus_write_byte_data(client, UCD9000_FAN_CONFIG_INDEX, 0);
@@ -227,23 +226,12 @@
| PMBUS_HAVE_FAN34 | PMBUS_HAVE_STATUS_FAN34;
}
- ret = pmbus_do_probe(client, mid, info);
- if (ret < 0)
- goto out;
- return 0;
-
-out:
- kfree(data);
- return ret;
+ return pmbus_do_probe(client, mid, info);
}
static int ucd9000_remove(struct i2c_client *client)
{
- struct ucd9000_data *data;
-
- data = to_ucd9000_data(pmbus_get_driver_info(client));
pmbus_do_remove(client);
- kfree(data);
return 0;
}