hwmon: Fix unchecked return status, batch 3

hwmon: Fix unchecked return status, batch 3

Fix up some hwmon drivers so that they no longer ignore return status
from device_create_file().

Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 70 insertions, 44 deletions

diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c
index 3bf2da621aed..122683fc91d0 100644
--- a/drivers/hwmon/adm1031.c
+++ b/drivers/hwmon/adm1031.c
@@ -730,6 +730,61 @@ static int adm1031_attach_adapter(struct i2c_adapter *adapter)
         return i2c_probe(adapter, &addr_data, adm1031_detect);
 }
 
+static struct attribute *adm1031_attributes[] = {
+        &dev_attr_fan1_input.attr,
+        &dev_attr_fan1_div.attr,
+        &dev_attr_fan1_min.attr,
+        &dev_attr_pwm1.attr,
+        &dev_attr_auto_fan1_channel.attr,
+        &dev_attr_temp1_input.attr,
+        &dev_attr_temp1_min.attr,
+        &dev_attr_temp1_max.attr,
+        &dev_attr_temp1_crit.attr,
+        &dev_attr_temp2_input.attr,
+        &dev_attr_temp2_min.attr,
+        &dev_attr_temp2_max.attr,
+        &dev_attr_temp2_crit.attr,
+
+        &dev_attr_auto_temp1_off.attr,
+        &dev_attr_auto_temp1_min.attr,
+        &dev_attr_auto_temp1_max.attr,
+
+        &dev_attr_auto_temp2_off.attr,
+        &dev_attr_auto_temp2_min.attr,
+        &dev_attr_auto_temp2_max.attr,
+
+        &dev_attr_auto_fan1_min_pwm.attr,
+
+        &dev_attr_alarms.attr,
+
+        NULL
+};
+
+static const struct attribute_group adm1031_group = {
+        .attrs = adm1031_attributes,
+};
+
+static struct attribute *adm1031_attributes_opt[] = {
+        &dev_attr_fan2_input.attr,
+        &dev_attr_fan2_div.attr,
+        &dev_attr_fan2_min.attr,
+        &dev_attr_pwm2.attr,
+        &dev_attr_auto_fan2_channel.attr,
+        &dev_attr_temp3_input.attr,
+        &dev_attr_temp3_min.attr,
+        &dev_attr_temp3_max.attr,
+        &dev_attr_temp3_crit.attr,
+        &dev_attr_auto_temp3_off.attr,
+        &dev_attr_auto_temp3_min.attr,
+        &dev_attr_auto_temp3_max.attr,
+        &dev_attr_auto_fan2_min_pwm.attr,
+        NULL
+};
+
+static const struct attribute_group adm1031_group_opt = {
+        .attrs = adm1031_attributes_opt,
+};
+
 /* This function is called by i2c_probe */
 static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind)
 {
@@ -789,57 +844,26 @@ static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind)
         adm1031_init_client(new_client);
 
         /* Register sysfs hooks */
-        data->class_dev = hwmon_device_register(&new_client->dev);
-        if (IS_ERR(data->class_dev)) {
-                err = PTR_ERR(data->class_dev);
+        if ((err = sysfs_create_group(&new_client->dev.kobj, &adm1031_group)))
                 goto exit_detach;
-        }
-
-        device_create_file(&new_client->dev, &dev_attr_fan1_input);
-        device_create_file(&new_client->dev, &dev_attr_fan1_div);
-        device_create_file(&new_client->dev, &dev_attr_fan1_min);
-        device_create_file(&new_client->dev, &dev_attr_pwm1);
-        device_create_file(&new_client->dev, &dev_attr_auto_fan1_channel);
-        device_create_file(&new_client->dev, &dev_attr_temp1_input);
-        device_create_file(&new_client->dev, &dev_attr_temp1_min);
-        device_create_file(&new_client->dev, &dev_attr_temp1_max);
-        device_create_file(&new_client->dev, &dev_attr_temp1_crit);
-        device_create_file(&new_client->dev, &dev_attr_temp2_input);
-        device_create_file(&new_client->dev, &dev_attr_temp2_min);
-        device_create_file(&new_client->dev, &dev_attr_temp2_max);
-        device_create_file(&new_client->dev, &dev_attr_temp2_crit);
-
-        device_create_file(&new_client->dev, &dev_attr_auto_temp1_off);
-        device_create_file(&new_client->dev, &dev_attr_auto_temp1_min);
-        device_create_file(&new_client->dev, &dev_attr_auto_temp1_max);
-
-        device_create_file(&new_client->dev, &dev_attr_auto_temp2_off);
-        device_create_file(&new_client->dev, &dev_attr_auto_temp2_min);
-        device_create_file(&new_client->dev, &dev_attr_auto_temp2_max);
-
-        device_create_file(&new_client->dev, &dev_attr_auto_fan1_min_pwm);
-
-        device_create_file(&new_client->dev, &dev_attr_alarms);
 
         if (kind == adm1031) {
-                device_create_file(&new_client->dev, &dev_attr_fan2_input);
-                device_create_file(&new_client->dev, &dev_attr_fan2_div);
-                device_create_file(&new_client->dev, &dev_attr_fan2_min);
-                device_create_file(&new_client->dev, &dev_attr_pwm2);
-                device_create_file(&new_client->dev,
-                                   &dev_attr_auto_fan2_channel);
-                device_create_file(&new_client->dev, &dev_attr_temp3_input);
-                device_create_file(&new_client->dev, &dev_attr_temp3_min);
-                device_create_file(&new_client->dev, &dev_attr_temp3_max);
-                device_create_file(&new_client->dev, &dev_attr_temp3_crit);
-                device_create_file(&new_client->dev, &dev_attr_auto_temp3_off);
-                device_create_file(&new_client->dev, &dev_attr_auto_temp3_min);
-                device_create_file(&new_client->dev, &dev_attr_auto_temp3_max);
-                device_create_file(&new_client->dev, &dev_attr_auto_fan2_min_pwm);
+                if ((err = sysfs_create_group(&new_client->dev.kobj,
+                                                &adm1031_group_opt)))
+                        goto exit_remove;
+        }
+
+        data->class_dev = hwmon_device_register(&new_client->dev);
+        if (IS_ERR(data->class_dev)) {
+                err = PTR_ERR(data->class_dev);
+                goto exit_remove;
         }
 
         return 0;
 
+exit_remove:
+        sysfs_remove_group(&new_client->dev.kobj, &adm1031_group);
+        sysfs_remove_group(&new_client->dev.kobj, &adm1031_group_opt);
 exit_detach:
         i2c_detach_client(new_client);
 exit_free:
@@ -854,6 +878,8 @@ static int adm1031_detach_client(struct i2c_client *client)
         int ret;
 
         hwmon_device_unregister(data->class_dev);
+        sysfs_remove_group(&client->dev.kobj, &adm1031_group);
+        sysfs_remove_group(&client->dev.kobj, &adm1031_group_opt);
         if ((ret = i2c_detach_client(client)) != 0) {
                 return ret;
         }