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Fix unchecked return status, batch 5

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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>
This commit is contained in:
Jean Delvare
2006-09-24 21:17:13 +02:00
committed by Greg Kroah-Hartman
parent 0e39e01c90
commit 87808be4f9
5 changed files with 362 additions and 243 deletions
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128
drivers/hwmon/gl520sm.c
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@@ -30,6 +30,7 @@
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/sysfs.h>
/* Type of the extra sensor */
static unsigned short extra_sensor_type;
@@ -190,55 +191,29 @@ static DEVICE_ATTR(type##item, S_IRUGO, get_##type##0##item, NULL);
#define sysfs_vid(n) \
sysfs_ro_n(cpu, n, _vid, GL520_REG_VID_INPUT)
#define device_create_file_vid(client, n) \
device_create_file(&client->dev, &dev_attr_cpu##n##_vid)
#define sysfs_in(n) \
sysfs_ro_n(in, n, _input, GL520_REG_IN##n##INPUT) \
sysfs_rw_n(in, n, _min, GL520_REG_IN##n##_MIN) \
sysfs_rw_n(in, n, _max, GL520_REG_IN##n##_MAX) \
#define device_create_file_in(client, n) \
({device_create_file(&client->dev, &dev_attr_in##n##_input); \
device_create_file(&client->dev, &dev_attr_in##n##_min); \
device_create_file(&client->dev, &dev_attr_in##n##_max);})
#define sysfs_fan(n) \
sysfs_ro_n(fan, n, _input, GL520_REG_FAN_INPUT) \
sysfs_rw_n(fan, n, _min, GL520_REG_FAN_MIN) \
sysfs_rw_n(fan, n, _div, GL520_REG_FAN_DIV)
#define device_create_file_fan(client, n) \
({device_create_file(&client->dev, &dev_attr_fan##n##_input); \
device_create_file(&client->dev, &dev_attr_fan##n##_min); \
device_create_file(&client->dev, &dev_attr_fan##n##_div);})
#define sysfs_fan_off(n) \
sysfs_rw_n(fan, n, _off, GL520_REG_FAN_OFF) \
#define device_create_file_fan_off(client, n) \
device_create_file(&client->dev, &dev_attr_fan##n##_off)
#define sysfs_temp(n) \
sysfs_ro_n(temp, n, _input, GL520_REG_TEMP##n##_INPUT) \
sysfs_rw_n(temp, n, _max, GL520_REG_TEMP##n##_MAX) \
sysfs_rw_n(temp, n, _max_hyst, GL520_REG_TEMP##n##_MAX_HYST)
#define device_create_file_temp(client, n) \
({device_create_file(&client->dev, &dev_attr_temp##n##_input); \
device_create_file(&client->dev, &dev_attr_temp##n##_max); \
device_create_file(&client->dev, &dev_attr_temp##n##_max_hyst);})
#define sysfs_alarms() \
sysfs_ro(alarms, , GL520_REG_ALARMS) \
sysfs_rw(beep_enable, , GL520_REG_BEEP_ENABLE) \
sysfs_rw(beep_mask, , GL520_REG_BEEP_MASK)
#define device_create_file_alarms(client) \
({device_create_file(&client->dev, &dev_attr_alarms); \
device_create_file(&client->dev, &dev_attr_beep_enable); \
device_create_file(&client->dev, &dev_attr_beep_mask);})
sysfs_vid(0)
@@ -511,6 +486,59 @@ static ssize_t set_beep_mask(struct i2c_client *client, struct gl520_data *data,
return count;
}
static struct attribute *gl520_attributes[] = {
&dev_attr_cpu0_vid.attr,
&dev_attr_in0_input.attr,
&dev_attr_in0_min.attr,
&dev_attr_in0_max.attr,
&dev_attr_in1_input.attr,
&dev_attr_in1_min.attr,
&dev_attr_in1_max.attr,
&dev_attr_in2_input.attr,
&dev_attr_in2_min.attr,
&dev_attr_in2_max.attr,
&dev_attr_in3_input.attr,
&dev_attr_in3_min.attr,
&dev_attr_in3_max.attr,
&dev_attr_fan1_input.attr,
&dev_attr_fan1_min.attr,
&dev_attr_fan1_div.attr,
&dev_attr_fan1_off.attr,
&dev_attr_fan2_input.attr,
&dev_attr_fan2_min.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 gl520_group = {
.attrs = gl520_attributes,
};
static struct attribute *gl520_attributes_opt[] = {
&dev_attr_in4_input.attr,
&dev_attr_in4_min.attr,
&dev_attr_in4_max.attr,
&dev_attr_temp2_input.attr,
&dev_attr_temp2_max.attr,
&dev_attr_temp2_max_hyst.attr,
NULL
};
static const struct attribute_group gl520_group_opt = {
.attrs = gl520_attributes_opt,
};
/*
* Real code
@@ -572,33 +600,39 @@ static int gl520_detect(struct i2c_adapter *adapter, int address, int kind)
gl520_init_client(new_client);
/* Register sysfs hooks */
if ((err = sysfs_create_group(&new_client->dev.kobj, &gl520_group)))
goto exit_detach;
if (data->two_temps) {
if ((err = device_create_file(&new_client->dev,
&dev_attr_temp2_input))
|| (err = device_create_file(&new_client->dev,
&dev_attr_temp2_max))
|| (err = device_create_file(&new_client->dev,
&dev_attr_temp2_max_hyst)))
goto exit_remove_files;
} else {
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 exit_remove_files;
}
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_vid(new_client, 0);
device_create_file_in(new_client, 0);
device_create_file_in(new_client, 1);
device_create_file_in(new_client, 2);
device_create_file_in(new_client, 3);
if (!data->two_temps)
device_create_file_in(new_client, 4);
device_create_file_fan(new_client, 1);
device_create_file_fan(new_client, 2);
device_create_file_fan_off(new_client, 1);
device_create_file_temp(new_client, 1);
if (data->two_temps)
device_create_file_temp(new_client, 2);
device_create_file_alarms(new_client);
return 0;
exit_remove_files:
sysfs_remove_group(&new_client->dev.kobj, &gl520_group);
sysfs_remove_group(&new_client->dev.kobj, &gl520_group_opt);
exit_detach:
i2c_detach_client(new_client);
exit_free:
@@ -652,6 +686,8 @@ static int gl520_detach_client(struct i2c_client *client)
int err;
hwmon_device_unregister(data->class_dev);
sysfs_remove_group(&client->dev.kobj, &gl520_group);
sysfs_remove_group(&client->dev.kobj, &gl520_group_opt);
if ((err = i2c_detach_client(client)))
return err;