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>
diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c
index 2b6e74d..c466329 100644
--- a/drivers/hwmon/adm1021.c
+++ b/drivers/hwmon/adm1021.c
@@ -190,6 +190,21 @@
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 @@
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 @@
int err;
hwmon_device_unregister(data->class_dev);
+ sysfs_remove_group(&client->dev.kobj, &adm1021_group);
if ((err = i2c_detach_client(client)))
return err;