[CPUFREQ] check sysfs_create_link return value

[sfrench/cifs-2.6.git] / drivers / hwmon / adm1021.c

diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
index 2b6e74dd4a82079c6eb18b44719846c33ae961ed..c466329b2ef4745100f00346c4f989958f42828e 100644 (file)
--- a/drivers/hwmon/adm1021.c
+++ b/drivers/hwmon/adm1021.c
@@ -190,6 +190,21 @@ static int adm1021_attach_adapter(struct i2c_adapter *adapter)
        return i2c_probe(adapter, &addr_data, adm1021_detect);
 }
 
+static struct attribute *adm1021_attributes[] = {
+       &dev_attr_temp1_max.attr,
+       &dev_attr_temp1_min.attr,
+       &dev_attr_temp1_input.attr,
+       &dev_attr_temp2_max.attr,
+       &dev_attr_temp2_min.attr,
+       &dev_attr_temp2_input.attr,
+       &dev_attr_alarms.attr,
+       NULL
+};
+
+static const struct attribute_group adm1021_group = {
+       .attrs = adm1021_attributes,
+};
+
 static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind)
 {
        int i;
@@ -287,22 +302,19 @@ static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind)
                adm1021_init_client(new_client);
 
        /* Register sysfs hooks */
+       if ((err = sysfs_create_group(&new_client->dev.kobj, &adm1021_group)))
+               goto error2;
+
        data->class_dev = hwmon_device_register(&new_client->dev);
        if (IS_ERR(data->class_dev)) {
                err = PTR_ERR(data->class_dev);
-               goto error2;
+               goto error3;
        }
 
-       device_create_file(&new_client->dev, &dev_attr_temp1_max);
-       device_create_file(&new_client->dev, &dev_attr_temp1_min);
-       device_create_file(&new_client->dev, &dev_attr_temp1_input);
-       device_create_file(&new_client->dev, &dev_attr_temp2_max);
-       device_create_file(&new_client->dev, &dev_attr_temp2_min);
-       device_create_file(&new_client->dev, &dev_attr_temp2_input);
-       device_create_file(&new_client->dev, &dev_attr_alarms);
-
        return 0;
 
+error3:
+       sysfs_remove_group(&new_client->dev.kobj, &adm1021_group);
 error2:
        i2c_detach_client(new_client);
 error1:
@@ -326,6 +338,7 @@ static int adm1021_detach_client(struct i2c_client *client)
        int err;
 
        hwmon_device_unregister(data->class_dev);
+       sysfs_remove_group(&client->dev.kobj, &adm1021_group);
 
        if ((err = i2c_detach_client(client)))
                return err;