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/lm85.c b/drivers/hwmon/lm85.c
index 342e966..2c3293c 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -1025,6 +1025,89 @@
return i2c_probe(adapter, &addr_data, lm85_detect);
}
+static struct attribute *lm85_attributes[] = {
+ &dev_attr_fan1_input.attr,
+ &dev_attr_fan2_input.attr,
+ &dev_attr_fan3_input.attr,
+ &dev_attr_fan4_input.attr,
+ &dev_attr_fan1_min.attr,
+ &dev_attr_fan2_min.attr,
+ &dev_attr_fan3_min.attr,
+ &dev_attr_fan4_min.attr,
+ &dev_attr_pwm1.attr,
+ &dev_attr_pwm2.attr,
+ &dev_attr_pwm3.attr,
+ &dev_attr_pwm1_enable.attr,
+ &dev_attr_pwm2_enable.attr,
+ &dev_attr_pwm3_enable.attr,
+ &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_temp1_input.attr,
+ &dev_attr_temp2_input.attr,
+ &dev_attr_temp3_input.attr,
+ &dev_attr_temp1_min.attr,
+ &dev_attr_temp2_min.attr,
+ &dev_attr_temp3_min.attr,
+ &dev_attr_temp1_max.attr,
+ &dev_attr_temp2_max.attr,
+ &dev_attr_temp3_max.attr,
+ &dev_attr_vrm.attr,
+ &dev_attr_cpu0_vid.attr,
+ &dev_attr_alarms.attr,
+ &dev_attr_pwm1_auto_channels.attr,
+ &dev_attr_pwm2_auto_channels.attr,
+ &dev_attr_pwm3_auto_channels.attr,
+ &dev_attr_pwm1_auto_pwm_min.attr,
+ &dev_attr_pwm2_auto_pwm_min.attr,
+ &dev_attr_pwm3_auto_pwm_min.attr,
+ &dev_attr_pwm1_auto_pwm_minctl.attr,
+ &dev_attr_pwm2_auto_pwm_minctl.attr,
+ &dev_attr_pwm3_auto_pwm_minctl.attr,
+ &dev_attr_pwm1_auto_pwm_freq.attr,
+ &dev_attr_pwm2_auto_pwm_freq.attr,
+ &dev_attr_pwm3_auto_pwm_freq.attr,
+ &dev_attr_temp1_auto_temp_off.attr,
+ &dev_attr_temp2_auto_temp_off.attr,
+ &dev_attr_temp3_auto_temp_off.attr,
+ &dev_attr_temp1_auto_temp_min.attr,
+ &dev_attr_temp2_auto_temp_min.attr,
+ &dev_attr_temp3_auto_temp_min.attr,
+ &dev_attr_temp1_auto_temp_max.attr,
+ &dev_attr_temp2_auto_temp_max.attr,
+ &dev_attr_temp3_auto_temp_max.attr,
+ &dev_attr_temp1_auto_temp_crit.attr,
+ &dev_attr_temp2_auto_temp_crit.attr,
+ &dev_attr_temp3_auto_temp_crit.attr,
+
+ NULL
+};
+
+static const struct attribute_group lm85_group = {
+ .attrs = lm85_attributes,
+};
+
+static struct attribute *lm85_attributes_opt[] = {
+ &dev_attr_in4_input.attr,
+ &dev_attr_in4_min.attr,
+ &dev_attr_in4_max.attr,
+
+ NULL
+};
+
+static const struct attribute_group lm85_group_opt = {
+ .attrs = lm85_attributes_opt,
+};
+
static int lm85_detect(struct i2c_adapter *adapter, int address,
int kind)
{
@@ -1163,87 +1246,33 @@
lm85_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, &lm85_group)))
goto ERROR2;
- }
-
- 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_fan3_input);
- device_create_file(&new_client->dev, &dev_attr_fan4_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_fan3_min);
- device_create_file(&new_client->dev, &dev_attr_fan4_min);
- device_create_file(&new_client->dev, &dev_attr_pwm1);
- device_create_file(&new_client->dev, &dev_attr_pwm2);
- device_create_file(&new_client->dev, &dev_attr_pwm3);
- device_create_file(&new_client->dev, &dev_attr_pwm1_enable);
- device_create_file(&new_client->dev, &dev_attr_pwm2_enable);
- device_create_file(&new_client->dev, &dev_attr_pwm3_enable);
- 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_temp1_input);
- device_create_file(&new_client->dev, &dev_attr_temp2_input);
- device_create_file(&new_client->dev, &dev_attr_temp3_input);
- device_create_file(&new_client->dev, &dev_attr_temp1_min);
- device_create_file(&new_client->dev, &dev_attr_temp2_min);
- device_create_file(&new_client->dev, &dev_attr_temp3_min);
- device_create_file(&new_client->dev, &dev_attr_temp1_max);
- device_create_file(&new_client->dev, &dev_attr_temp2_max);
- device_create_file(&new_client->dev, &dev_attr_temp3_max);
- device_create_file(&new_client->dev, &dev_attr_vrm);
- device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
- device_create_file(&new_client->dev, &dev_attr_alarms);
- device_create_file(&new_client->dev, &dev_attr_pwm1_auto_channels);
- device_create_file(&new_client->dev, &dev_attr_pwm2_auto_channels);
- device_create_file(&new_client->dev, &dev_attr_pwm3_auto_channels);
- device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_min);
- device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_min);
- device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_min);
- device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_minctl);
- device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_minctl);
- device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_minctl);
- device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_freq);
- device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_freq);
- device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_freq);
- device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_off);
- device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_off);
- device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_off);
- device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_min);
- device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_min);
- device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_min);
- device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_max);
- device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_max);
- device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_max);
- device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_crit);
- device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_crit);
- device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_crit);
/* The ADT7463 has an optional VRM 10 mode where pin 21 is used
as a sixth digital VID input rather than an analog input. */
data->vid = lm85_read_value(new_client, LM85_REG_VID);
- if (!(kind == adt7463 && (data->vid & 0x80))) {
- device_create_file(&new_client->dev, &dev_attr_in4_input);
- device_create_file(&new_client->dev, &dev_attr_in4_min);
- device_create_file(&new_client->dev, &dev_attr_in4_max);
+ if (!(kind == adt7463 && (data->vid & 0x80)))
+ if ((err = device_create_file(&new_client->dev,
+ &dev_attr_in4_input))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_in4_min))
+ || (err = device_create_file(&new_client->dev,
+ &dev_attr_in4_max)))
+ goto ERROR3;
+
+ data->class_dev = hwmon_device_register(&new_client->dev);
+ if (IS_ERR(data->class_dev)) {
+ err = PTR_ERR(data->class_dev);
+ goto ERROR3;
}
return 0;
/* Error out and cleanup code */
+ ERROR3:
+ sysfs_remove_group(&new_client->dev.kobj, &lm85_group);
+ sysfs_remove_group(&new_client->dev.kobj, &lm85_group_opt);
ERROR2:
i2c_detach_client(new_client);
ERROR1:
@@ -1256,6 +1285,8 @@
{
struct lm85_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->class_dev);
+ sysfs_remove_group(&client->dev.kobj, &lm85_group);
+ sysfs_remove_group(&client->dev.kobj, &lm85_group_opt);
i2c_detach_client(client);
kfree(data);
return 0;