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Commit 87808be4 authored by Jean Delvare's avatar Jean Delvare Committed by Greg Kroah-Hartman
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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: default avatarJean Delvare <khali@linux-fr.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 0e39e01c
Expand all Show whitespace changes
Inline Side-by-side
Showing with 368 additions and 249 deletions
drivers/hwmon/fscher.c
View file @ 87808be4
......@@ -34,6 +34,7 @@
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/sysfs.h>
/*
* Addresses to scan
......@@ -240,46 +241,44 @@ sysfs_alarms(FSCHER_REG_EVENTS)
sysfs_control(FSCHER_REG_CONTROL)
sysfs_watchdog(FSCHER_REG_WDOG_CONTROL, FSCHER_REG_WDOG_STATE, FSCHER_REG_WDOG_PRESET)
#define device_create_file_fan(client, offset) \
do { \
device_create_file(&client->dev, &dev_attr_fan##offset##_status); \
device_create_file(&client->dev, &dev_attr_pwm##offset); \
device_create_file(&client->dev, &dev_attr_fan##offset##_div); \
device_create_file(&client->dev, &dev_attr_fan##offset##_input); \
} while (0)
#define device_create_file_temp(client, offset) \
do { \
device_create_file(&client->dev, &dev_attr_temp##offset##_status); \
device_create_file(&client->dev, &dev_attr_temp##offset##_input); \
} while (0)
#define device_create_file_in(client, offset) \
do { \
device_create_file(&client->dev, &dev_attr_in##offset##_input); \
} while (0)
#define device_create_file_revision(client) \
do { \
device_create_file(&client->dev, &dev_attr_revision); \
} while (0)
#define device_create_file_alarms(client) \
do { \
device_create_file(&client->dev, &dev_attr_alarms); \
} while (0)
#define device_create_file_control(client) \
do { \
device_create_file(&client->dev, &dev_attr_control); \
} while (0)
#define device_create_file_watchdog(client) \
do { \
device_create_file(&client->dev, &dev_attr_watchdog_status); \
device_create_file(&client->dev, &dev_attr_watchdog_control); \
device_create_file(&client->dev, &dev_attr_watchdog_preset); \
} while (0)
static struct attribute *fscher_attributes[] = {
&dev_attr_revision.attr,
&dev_attr_alarms.attr,
&dev_attr_control.attr,
&dev_attr_watchdog_status.attr,
&dev_attr_watchdog_control.attr,
&dev_attr_watchdog_preset.attr,
&dev_attr_in0_input.attr,
&dev_attr_in1_input.attr,
&dev_attr_in2_input.attr,
&dev_attr_fan1_status.attr,
&dev_attr_fan1_div.attr,
&dev_attr_fan1_input.attr,
&dev_attr_pwm1.attr,
&dev_attr_fan2_status.attr,
&dev_attr_fan2_div.attr,
&dev_attr_fan2_input.attr,
&dev_attr_pwm2.attr,
&dev_attr_fan3_status.attr,
&dev_attr_fan3_div.attr,
&dev_attr_fan3_input.attr,
&dev_attr_pwm3.attr,
&dev_attr_temp1_status.attr,
&dev_attr_temp1_input.attr,
&dev_attr_temp2_status.attr,
&dev_attr_temp2_input.attr,
&dev_attr_temp3_status.attr,
&dev_attr_temp3_input.attr,
NULL
};
static const struct attribute_group fscher_group = {
.attrs = fscher_attributes,
};
/*
* Real code
......@@ -342,31 +341,19 @@ static int fscher_detect(struct i2c_adapter *adapter, int address, int kind)
fscher_init_client(new_client);
/* Register sysfs hooks */
if ((err = sysfs_create_group(&new_client->dev.kobj, &fscher_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_revision(new_client);
device_create_file_alarms(new_client);
device_create_file_control(new_client);
device_create_file_watchdog(new_client);
device_create_file_in(new_client, 0);
device_create_file_in(new_client, 1);
device_create_file_in(new_client, 2);
device_create_file_fan(new_client, 1);
device_create_file_fan(new_client, 2);
device_create_file_fan(new_client, 3);
device_create_file_temp(new_client, 1);
device_create_file_temp(new_client, 2);
device_create_file_temp(new_client, 3);
return 0;
exit_remove_files:
sysfs_remove_group(&new_client->dev.kobj, &fscher_group);
exit_detach:
i2c_detach_client(new_client);
exit_free:
......@@ -381,6 +368,7 @@ static int fscher_detach_client(struct i2c_client *client)
int err;
hwmon_device_unregister(data->class_dev);
sysfs_remove_group(&client->dev.kobj, &fscher_group);
if ((err = i2c_detach_client(client)))
return err;
......
drivers/hwmon/fscpos.c
View file @ 87808be4
......@@ -38,6 +38,7 @@
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/sysfs.h>
/*
* Addresses to scan
......@@ -432,6 +433,44 @@ static DEVICE_ATTR(in0_input, S_IRUGO, show_volt_12, NULL);
static DEVICE_ATTR(in1_input, S_IRUGO, show_volt_5, NULL);
static DEVICE_ATTR(in2_input, S_IRUGO, show_volt_batt, NULL);
static struct attribute *fscpos_attributes[] = {
&dev_attr_event.attr,
&dev_attr_in0_input.attr,
&dev_attr_in1_input.attr,
&dev_attr_in2_input.attr,
&dev_attr_wdog_control.attr,
&dev_attr_wdog_preset.attr,
&dev_attr_wdog_state.attr,
&dev_attr_temp1_input.attr,
&dev_attr_temp1_status.attr,
&dev_attr_temp1_reset.attr,
&dev_attr_temp2_input.attr,
&dev_attr_temp2_status.attr,
&dev_attr_temp2_reset.attr,
&dev_attr_temp3_input.attr,
&dev_attr_temp3_status.attr,
&dev_attr_temp3_reset.attr,
&dev_attr_fan1_input.attr,
&dev_attr_fan1_status.attr,
&dev_attr_fan1_ripple.attr,
&dev_attr_pwm1.attr,
&dev_attr_fan2_input.attr,
&dev_attr_fan2_status.attr,
&dev_attr_fan2_ripple.attr,
&dev_attr_pwm2.attr,
&dev_attr_fan3_input.attr,
&dev_attr_fan3_status.attr,
&dev_attr_fan3_ripple.attr,
NULL
};
static const struct attribute_group fscpos_group = {
.attrs = fscpos_attributes,
};
static int fscpos_attach_adapter(struct i2c_adapter *adapter)
{
if (!(adapter->class & I2C_CLASS_HWMON))
......@@ -497,42 +536,19 @@ static int fscpos_detect(struct i2c_adapter *adapter, int address, int kind)
dev_info(&new_client->dev, "Found fscpos chip, rev %u\n", data->revision);
/* Register sysfs hooks */
if ((err = sysfs_create_group(&new_client->dev.kobj, &fscpos_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_event);
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_wdog_control);
device_create_file(&new_client->dev, &dev_attr_wdog_preset);
device_create_file(&new_client->dev, &dev_attr_wdog_state);
device_create_file(&new_client->dev, &dev_attr_temp1_input);
device_create_file(&new_client->dev, &dev_attr_temp1_status);
device_create_file(&new_client->dev, &dev_attr_temp1_reset);
device_create_file(&new_client->dev, &dev_attr_temp2_input);
device_create_file(&new_client->dev, &dev_attr_temp2_status);
device_create_file(&new_client->dev, &dev_attr_temp2_reset);
device_create_file(&new_client->dev, &dev_attr_temp3_input);
device_create_file(&new_client->dev, &dev_attr_temp3_status);
device_create_file(&new_client->dev, &dev_attr_temp3_reset);
device_create_file(&new_client->dev, &dev_attr_fan1_input);
device_create_file(&new_client->dev, &dev_attr_fan1_status);
device_create_file(&new_client->dev, &dev_attr_fan1_ripple);
device_create_file(&new_client->dev, &dev_attr_pwm1);
device_create_file(&new_client->dev, &dev_attr_fan2_input);
device_create_file(&new_client->dev, &dev_attr_fan2_status);
device_create_file(&new_client->dev, &dev_attr_fan2_ripple);
device_create_file(&new_client->dev, &dev_attr_pwm2);
device_create_file(&new_client->dev, &dev_attr_fan3_input);
device_create_file(&new_client->dev, &dev_attr_fan3_status);
device_create_file(&new_client->dev, &dev_attr_fan3_ripple);
return 0;
exit_remove_files:
sysfs_remove_group(&new_client->dev.kobj, &fscpos_group);
exit_detach:
i2c_detach_client(new_client);
exit_free:
......@@ -547,6 +563,7 @@ static int fscpos_detach_client(struct i2c_client *client)
int err;
hwmon_device_unregister(data->class_dev);
sysfs_remove_group(&client->dev.kobj, &fscpos_group);
if ((err = i2c_detach_client(client)))
return err;
......
drivers/hwmon/gl518sm.c
View file @ 87808be4
......@@ -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_enable, S_IWUSR|S_IRUGO,
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 @@ static int gl518_detect(struct i2c_adapter *adapter, int address, int kind)
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 @@ static int gl518_detach_client(struct i2c_client *client)
int err;
hwmon_device_unregister(data->class_dev);
sysfs_remove_group(&client->dev.kobj, &gl518_group);
if ((err = i2c_detach_client(client)))
return err;
......
drivers/hwmon/gl520sm.c
View file @ 87808be4
......@@ -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 */
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, &gl520_group)))
goto exit_detach;
}
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);
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;
}
device_create_file_temp(new_client, 1);
if (data->two_temps)
device_create_file_temp(new_client, 2);
device_create_file_alarms(new_client);
data->class_dev = hwmon_device_register(&new_client->dev);
if (IS_ERR(data->class_dev)) {
err = PTR_ERR(data->class_dev);
goto exit_remove_files;
}
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;
......
drivers/hwmon/it87.c
View file @ 87808be4
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