hwmon: Fix unchecked return status, batch 2
hwmon: Fix unchecked return status, batch 2
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/lm77.c b/drivers/hwmon/lm77.c
index 459cc97..dd969f1 100644
--- a/drivers/hwmon/lm77.c
+++ b/drivers/hwmon/lm77.c
@@ -212,6 +212,23 @@
return i2c_probe(adapter, &addr_data, lm77_detect);
}
+static struct attribute *lm77_attributes[] = {
+ &dev_attr_temp1_input.attr,
+ &dev_attr_temp1_crit.attr,
+ &dev_attr_temp1_min.attr,
+ &dev_attr_temp1_max.attr,
+ &dev_attr_temp1_crit_hyst.attr,
+ &dev_attr_temp1_min_hyst.attr,
+ &dev_attr_temp1_max_hyst.attr,
+ &dev_attr_alarms.attr,
+
+ NULL
+};
+
+static const struct attribute_group lm77_group = {
+ .attrs = lm77_attributes,
+};
+
/* This function is called by i2c_probe */
static int lm77_detect(struct i2c_adapter *adapter, int address, int kind)
{
@@ -317,22 +334,19 @@
lm77_init_client(new_client);
/* Register sysfs hooks */
+ if ((err = sysfs_create_group(&new_client->dev.kobj, &lm77_group)))
+ goto exit_detach;
+
data->class_dev = hwmon_device_register(&new_client->dev);
if (IS_ERR(data->class_dev)) {
err = PTR_ERR(data->class_dev);
- goto exit_detach;
+ goto exit_remove;
}
- device_create_file(&new_client->dev, &dev_attr_temp1_input);
- device_create_file(&new_client->dev, &dev_attr_temp1_crit);
- 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_hyst);
- device_create_file(&new_client->dev, &dev_attr_temp1_min_hyst);
- device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
- device_create_file(&new_client->dev, &dev_attr_alarms);
return 0;
+exit_remove:
+ sysfs_remove_group(&new_client->dev.kobj, &lm77_group);
exit_detach:
i2c_detach_client(new_client);
exit_free:
@@ -345,6 +359,7 @@
{
struct lm77_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->class_dev);
+ sysfs_remove_group(&client->dev.kobj, &lm77_group);
i2c_detach_client(client);
kfree(data);
return 0;