hwmon: Fix unchecked return status, batch 6
hwmon: Fix unchecked return status, batch 6
Fix up 5 more hwmon drivers so that they no longer ignore return status
from device_create_file().
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index 478eb4b..c849c0c 100644
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -29,6 +29,7 @@
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
+#include <linux/sysfs.h>
#include "lm75.h"
/* Addresses to scan */
@@ -178,6 +179,18 @@
static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO , show_temp_min, set_temp_min);
static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, set_temp_max);
+static struct attribute *ds1621_attributes[] = {
+ &dev_attr_temp1_input.attr,
+ &dev_attr_temp1_min.attr,
+ &dev_attr_temp1_max.attr,
+ &dev_attr_alarms.attr,
+ NULL
+};
+
+static const struct attribute_group ds1621_group = {
+ .attrs = ds1621_attributes,
+};
+
static int ds1621_attach_adapter(struct i2c_adapter *adapter)
{
@@ -253,21 +266,19 @@
ds1621_init_client(new_client);
/* Register sysfs hooks */
+ if ((err = sysfs_create_group(&new_client->dev.kobj, &ds1621_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_files;
}
- device_create_file(&new_client->dev, &dev_attr_alarms);
- 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);
-
return 0;
-/* OK, this is not exactly good programming practice, usually. But it is
- very code-efficient in this case. */
+ exit_remove_files:
+ sysfs_remove_group(&new_client->dev.kobj, &ds1621_group);
exit_detach:
i2c_detach_client(new_client);
exit_free:
@@ -282,6 +293,7 @@
int err;
hwmon_device_unregister(data->class_dev);
+ sysfs_remove_group(&client->dev.kobj, &ds1621_group);
if ((err = i2c_detach_client(client)))
return err;