Fix unchecked return status, batch 5
hwmon: Fix unchecked return status, batch 5
Fix up some 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/gl518sm.c b/drivers/hwmon/gl518sm.c
index 6606aab..c103640 100644
--- a/drivers/hwmon/gl518sm.c
+++ b/drivers/hwmon/gl518sm.c
@@ -44,6 +44,7 @@
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
+#include <linux/sysfs.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END };
@@ -340,6 +341,42 @@
static DEVICE_ATTR(beep_mask, S_IWUSR|S_IRUGO,
show_beep_mask, set_beep_mask);
+static struct attribute *gl518_attributes[] = {
+ &dev_attr_in0_input.attr,
+ &dev_attr_in1_input.attr,
+ &dev_attr_in2_input.attr,
+ &dev_attr_in3_input.attr,
+ &dev_attr_in0_min.attr,
+ &dev_attr_in1_min.attr,
+ &dev_attr_in2_min.attr,
+ &dev_attr_in3_min.attr,
+ &dev_attr_in0_max.attr,
+ &dev_attr_in1_max.attr,
+ &dev_attr_in2_max.attr,
+ &dev_attr_in3_max.attr,
+
+ &dev_attr_fan1_auto.attr,
+ &dev_attr_fan1_input.attr,
+ &dev_attr_fan2_input.attr,
+ &dev_attr_fan1_min.attr,
+ &dev_attr_fan2_min.attr,
+ &dev_attr_fan1_div.attr,
+ &dev_attr_fan2_div.attr,
+
+ &dev_attr_temp1_input.attr,
+ &dev_attr_temp1_max.attr,
+ &dev_attr_temp1_max_hyst.attr,
+
+ &dev_attr_alarms.attr,
+ &dev_attr_beep_enable.attr,
+ &dev_attr_beep_mask.attr,
+ NULL
+};
+
+static const struct attribute_group gl518_group = {
+ .attrs = gl518_attributes,
+};
+
/*
* Real code
*/
@@ -420,43 +457,19 @@
gl518_init_client((struct i2c_client *) new_client);
/* Register sysfs hooks */
+ if ((err = sysfs_create_group(&new_client->dev.kobj, &gl518_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_in0_input);
- device_create_file(&new_client->dev, &dev_attr_in1_input);
- device_create_file(&new_client->dev, &dev_attr_in2_input);
- device_create_file(&new_client->dev, &dev_attr_in3_input);
- device_create_file(&new_client->dev, &dev_attr_in0_min);
- device_create_file(&new_client->dev, &dev_attr_in1_min);
- device_create_file(&new_client->dev, &dev_attr_in2_min);
- device_create_file(&new_client->dev, &dev_attr_in3_min);
- device_create_file(&new_client->dev, &dev_attr_in0_max);
- device_create_file(&new_client->dev, &dev_attr_in1_max);
- device_create_file(&new_client->dev, &dev_attr_in2_max);
- device_create_file(&new_client->dev, &dev_attr_in3_max);
- device_create_file(&new_client->dev, &dev_attr_fan1_auto);
- device_create_file(&new_client->dev, &dev_attr_fan1_input);
- device_create_file(&new_client->dev, &dev_attr_fan2_input);
- device_create_file(&new_client->dev, &dev_attr_fan1_min);
- device_create_file(&new_client->dev, &dev_attr_fan2_min);
- device_create_file(&new_client->dev, &dev_attr_fan1_div);
- device_create_file(&new_client->dev, &dev_attr_fan2_div);
- device_create_file(&new_client->dev, &dev_attr_temp1_input);
- device_create_file(&new_client->dev, &dev_attr_temp1_max);
- device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
- device_create_file(&new_client->dev, &dev_attr_alarms);
- device_create_file(&new_client->dev, &dev_attr_beep_enable);
- device_create_file(&new_client->dev, &dev_attr_beep_mask);
-
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, &gl518_group);
exit_detach:
i2c_detach_client(new_client);
exit_free:
@@ -490,6 +503,7 @@
int err;
hwmon_device_unregister(data->class_dev);
+ sysfs_remove_group(&client->dev.kobj, &gl518_group);
if ((err = i2c_detach_client(client)))
return err;