Commit c1685f61 authored by Mark M. Hoffman's avatar Mark M. Hoffman Committed by Greg Kroah-Hartman
Browse files

hwmon: Fix unchecked return status, batch 1



hwmon: Fix unchecked return status, batch 1

Fix up some hwmon drivers so that they no longer ignore return status
from device_create_file().
Signed-off-by: default avatarMark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent a1fdcb96
......@@ -298,12 +298,6 @@ sysfs_in(4);
sysfs_in(5);
sysfs_in(6);
#define device_create_file_in(client, offset) do { \
device_create_file(&client->dev, &dev_attr_in##offset##_input); \
device_create_file(&client->dev, &dev_attr_in##offset##_min); \
device_create_file(&client->dev, &dev_attr_in##offset##_max); \
} while (0)
/* 3 Fans */
static ssize_t show_fan(struct device *dev, char *buf, int nr)
{
......@@ -421,12 +415,6 @@ sysfs_fan(1);
sysfs_fan(2);
sysfs_fan(3);
#define device_create_file_fan(client, offset) do { \
device_create_file(&client->dev, &dev_attr_fan##offset##_input); \
device_create_file(&client->dev, &dev_attr_fan##offset##_min); \
device_create_file(&client->dev, &dev_attr_fan##offset##_div); \
} while (0)
/* 4 Temp. Sensors */
static int sprintf_temp_from_reg(u16 reg, char *buf, int nr)
{
......@@ -515,12 +503,6 @@ sysfs_temp(3);
sysfs_temp(4);
/* VID */
#define device_create_file_temp(client, num) do { \
device_create_file(&client->dev, &dev_attr_temp##num##_input); \
device_create_file(&client->dev, &dev_attr_temp##num##_max); \
device_create_file(&client->dev, &dev_attr_temp##num##_max_hyst); \
} while (0)
static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
{
struct asb100_data *data = asb100_update_device(dev);
......@@ -528,8 +510,6 @@ static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
#define device_create_file_vid(client) \
device_create_file(&client->dev, &dev_attr_cpu0_vid)
/* VRM */
static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
......@@ -549,8 +529,6 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const
/* Alarms */
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
#define device_create_file_vrm(client) \
device_create_file(&client->dev, &dev_attr_vrm);
static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
{
......@@ -559,8 +537,6 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, ch
}
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
#define device_create_file_alarms(client) \
device_create_file(&client->dev, &dev_attr_alarms)
/* 1 PWM */
static ssize_t show_pwm1(struct device *dev, struct device_attribute *attr, char *buf)
......@@ -607,10 +583,65 @@ static ssize_t set_pwm_enable1(struct device *dev, struct device_attribute *attr
static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm1, set_pwm1);
static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
show_pwm_enable1, set_pwm_enable1);
#define device_create_file_pwm1(client) do { \
device_create_file(&new_client->dev, &dev_attr_pwm1); \
device_create_file(&new_client->dev, &dev_attr_pwm1_enable); \
} while (0)
static struct attribute *asb100_attributes[] = {
&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_in4_input.attr,
&dev_attr_in4_min.attr,
&dev_attr_in4_max.attr,
&dev_attr_in5_input.attr,
&dev_attr_in5_min.attr,
&dev_attr_in5_max.attr,
&dev_attr_in6_input.attr,
&dev_attr_in6_min.attr,
&dev_attr_in6_max.attr,
&dev_attr_fan1_input.attr,
&dev_attr_fan1_min.attr,
&dev_attr_fan1_div.attr,
&dev_attr_fan2_input.attr,
&dev_attr_fan2_min.attr,
&dev_attr_fan2_div.attr,
&dev_attr_fan3_input.attr,
&dev_attr_fan3_min.attr,
&dev_attr_fan3_div.attr,
&dev_attr_temp1_input.attr,
&dev_attr_temp1_max.attr,
&dev_attr_temp1_max_hyst.attr,
&dev_attr_temp2_input.attr,
&dev_attr_temp2_max.attr,
&dev_attr_temp2_max_hyst.attr,
&dev_attr_temp3_input.attr,
&dev_attr_temp3_max.attr,
&dev_attr_temp3_max_hyst.attr,
&dev_attr_temp4_input.attr,
&dev_attr_temp4_max.attr,
&dev_attr_temp4_max_hyst.attr,
&dev_attr_cpu0_vid.attr,
&dev_attr_vrm.attr,
&dev_attr_alarms.attr,
&dev_attr_pwm1.attr,
&dev_attr_pwm1_enable.attr,
NULL
};
static const struct attribute_group asb100_group = {
.attrs = asb100_attributes,
};
/* This function is called when:
asb100_driver is inserted (when this module is loaded), for each
......@@ -810,38 +841,19 @@ static int asb100_detect(struct i2c_adapter *adapter, int address, int kind)
data->fan_min[2] = asb100_read_value(new_client, ASB100_REG_FAN_MIN(2));
/* Register sysfs hooks */
if ((err = sysfs_create_group(&new_client->dev.kobj, &asb100_group)))
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;
goto ERROR4;
}
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);
device_create_file_in(new_client, 4);
device_create_file_in(new_client, 5);
device_create_file_in(new_client, 6);
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);
device_create_file_temp(new_client, 4);
device_create_file_vid(new_client);
device_create_file_vrm(new_client);
device_create_file_alarms(new_client);
device_create_file_pwm1(new_client);
return 0;
ERROR4:
sysfs_remove_group(&new_client->dev.kobj, &asb100_group);
ERROR3:
i2c_detach_client(data->lm75[1]);
i2c_detach_client(data->lm75[0]);
......@@ -861,8 +873,10 @@ static int asb100_detach_client(struct i2c_client *client)
int err;
/* main client */
if (data)
if (data) {
hwmon_device_unregister(data->class_dev);
sysfs_remove_group(&client->dev.kobj, &asb100_group);
}
if ((err = i2c_detach_client(client)))
return err;
......
......@@ -112,6 +112,18 @@ static int lm75_attach_adapter(struct i2c_adapter *adapter)
return i2c_probe(adapter, &addr_data, lm75_detect);
}
static struct attribute *lm75_attributes[] = {
&dev_attr_temp1_input.attr,
&dev_attr_temp1_max.attr,
&dev_attr_temp1_max_hyst.attr,
NULL
};
static const struct attribute_group lm75_group = {
.attrs = lm75_attributes,
};
/* This function is called by i2c_probe */
static int lm75_detect(struct i2c_adapter *adapter, int address, int kind)
{
......@@ -199,18 +211,19 @@ static int lm75_detect(struct i2c_adapter *adapter, int address, int kind)
lm75_init_client(new_client);
/* Register sysfs hooks */
if ((err = sysfs_create_group(&new_client->dev.kobj, &lm75_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;
}
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_temp1_input);
return 0;
exit_remove:
sysfs_remove_group(&new_client->dev.kobj, &lm75_group);
exit_detach:
i2c_detach_client(new_client);
exit_free:
......@@ -223,6 +236,7 @@ static int lm75_detach_client(struct i2c_client *client)
{
struct lm75_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->class_dev);
sysfs_remove_group(&client->dev.kobj, &lm75_group);
i2c_detach_client(client);
kfree(data);
return 0;
......
......@@ -482,6 +482,50 @@ static int lm78_isa_attach_adapter(struct i2c_adapter *adapter)
return lm78_detect(adapter, isa_address, -1);
}
static struct attribute *lm78_attributes[] = {
&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_in4_input.attr,
&dev_attr_in4_min.attr,
&dev_attr_in4_max.attr,
&dev_attr_in5_input.attr,
&dev_attr_in5_min.attr,
&dev_attr_in5_max.attr,
&dev_attr_in6_input.attr,
&dev_attr_in6_min.attr,
&dev_attr_in6_max.attr,
&dev_attr_temp1_input.attr,
&dev_attr_temp1_max.attr,
&dev_attr_temp1_max_hyst.attr,
&dev_attr_fan1_input.attr,
&dev_attr_fan1_min.attr,
&dev_attr_fan1_div.attr,
&dev_attr_fan2_input.attr,
&dev_attr_fan2_min.attr,
&dev_attr_fan2_div.attr,
&dev_attr_fan3_input.attr,
&dev_attr_fan3_min.attr,
&dev_attr_fan3_div.attr,
&dev_attr_alarms.attr,
&dev_attr_cpu0_vid.attr,
NULL
};
static const struct attribute_group lm78_group = {
.attrs = lm78_attributes,
};
/* This function is called by i2c_probe */
static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
{
......@@ -616,50 +660,19 @@ static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
}
/* Register sysfs hooks */
if ((err = sysfs_create_group(&new_client->dev.kobj, &lm78_group)))
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;
goto ERROR4;
}
device_create_file(&new_client->dev, &dev_attr_in0_input);
device_create_file(&new_client->dev, &dev_attr_in0_min);
device_create_file(&new_client->dev, &dev_attr_in0_max);
device_create_file(&new_client->dev, &dev_attr_in1_input);
device_create_file(&new_client->dev, &dev_attr_in1_min);
device_create_file(&new_client->dev, &dev_attr_in1_max);
device_create_file(&new_client->dev, &dev_attr_in2_input);
device_create_file(&new_client->dev, &dev_attr_in2_min);
device_create_file(&new_client->dev, &dev_attr_in2_max);
device_create_file(&new_client->dev, &dev_attr_in3_input);
device_create_file(&new_client->dev, &dev_attr_in3_min);
device_create_file(&new_client->dev, &dev_attr_in3_max);
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);
device_create_file(&new_client->dev, &dev_attr_in5_input);
device_create_file(&new_client->dev, &dev_attr_in5_min);
device_create_file(&new_client->dev, &dev_attr_in5_max);
device_create_file(&new_client->dev, &dev_attr_in6_input);
device_create_file(&new_client->dev, &dev_attr_in6_min);
device_create_file(&new_client->dev, &dev_attr_in6_max);
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_fan1_input);
device_create_file(&new_client->dev, &dev_attr_fan1_min);
device_create_file(&new_client->dev, &dev_attr_fan1_div);
device_create_file(&new_client->dev, &dev_attr_fan2_input);
device_create_file(&new_client->dev, &dev_attr_fan2_min);
device_create_file(&new_client->dev, &dev_attr_fan2_div);
device_create_file(&new_client->dev, &dev_attr_fan3_input);
device_create_file(&new_client->dev, &dev_attr_fan3_min);
device_create_file(&new_client->dev, &dev_attr_fan3_div);
device_create_file(&new_client->dev, &dev_attr_alarms);
device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
return 0;
ERROR4:
sysfs_remove_group(&new_client->dev.kobj, &lm78_group);
ERROR3:
i2c_detach_client(new_client);
ERROR2:
......@@ -677,6 +690,7 @@ static int lm78_detach_client(struct i2c_client *client)
int err;
hwmon_device_unregister(data->class_dev);
sysfs_remove_group(&client->dev.kobj, &lm78_group);
if ((err = i2c_detach_client(client)))
return err;
......
......@@ -176,9 +176,6 @@ sysfs_temp(2);
sysfs_temp(3);
sysfs_temp(4);
#define device_create_file_temp(client, num) \
device_create_file(&client->dev, &dev_attr_temp##num##_input)
/* FAN: 1 RPM/bit
REG: count of 90kHz pulses / revolution */
static int fan_from_reg(u16 reg)
......@@ -205,8 +202,22 @@ sysfs_fan(2);
sysfs_fan(3);
sysfs_fan(4);
#define device_create_file_fan(client, num) \
device_create_file(&client->dev, &dev_attr_fan##num##_input)
static struct attribute *smsc47b397_attributes[] = {
&dev_attr_temp1_input.attr,
&dev_attr_temp2_input.attr,
&dev_attr_temp3_input.attr,
&dev_attr_temp4_input.attr,
&dev_attr_fan1_input.attr,
&dev_attr_fan2_input.attr,
&dev_attr_fan3_input.attr,
&dev_attr_fan4_input.attr,
NULL
};
static const struct attribute_group smsc47b397_group = {
.attrs = smsc47b397_attributes,
};
static int smsc47b397_detach_client(struct i2c_client *client)
{
......@@ -214,6 +225,7 @@ static int smsc47b397_detach_client(struct i2c_client *client)
int err;
hwmon_device_unregister(data->class_dev);
sysfs_remove_group(&client->dev.kobj, &smsc47b397_group);
if ((err = i2c_detach_client(client)))
return err;
......@@ -268,24 +280,19 @@ static int smsc47b397_detect(struct i2c_adapter *adapter)
if ((err = i2c_attach_client(new_client)))
goto error_free;
if ((err = sysfs_create_group(&new_client->dev.kobj, &smsc47b397_group)))
goto error_detach;
data->class_dev = hwmon_device_register(&new_client->dev);
if (IS_ERR(data->class_dev)) {
err = PTR_ERR(data->class_dev);
goto error_detach;
goto error_remove;
}
device_create_file_temp(new_client, 1);
device_create_file_temp(new_client, 2);
device_create_file_temp(new_client, 3);
device_create_file_temp(new_client, 4);
device_create_file_fan(new_client, 1);
device_create_file_fan(new_client, 2);
device_create_file_fan(new_client, 3);
device_create_file_fan(new_client, 4);
return 0;
error_remove:
sysfs_remove_group(&new_client->dev.kobj, &smsc47b397_group);
error_detach:
i2c_detach_client(new_client);
error_free:
......
......@@ -512,13 +512,6 @@ static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
show_regs_in_max0, store_regs_in_max0);
#define device_create_file_in(client, offset) \
do { \
device_create_file(&client->dev, &dev_attr_in##offset##_input); \
device_create_file(&client->dev, &dev_attr_in##offset##_min); \
device_create_file(&client->dev, &dev_attr_in##offset##_max); \
} while (0)
#define show_fan_reg(reg) \
static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
{ \
......@@ -576,12 +569,6 @@ sysfs_fan_min_offset(2);
sysfs_fan_offset(3);
sysfs_fan_min_offset(3);
#define device_create_file_fan(client, offset) \
do { \
device_create_file(&client->dev, &dev_attr_fan##offset##_input); \
device_create_file(&client->dev, &dev_attr_fan##offset##_min); \
} while (0)
#define show_temp_reg(reg) \
static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
{ \
......@@ -656,13 +643,6 @@ sysfs_temp_offsets(1);
sysfs_temp_offsets(2);
sysfs_temp_offsets(3);
#define device_create_file_temp(client, offset) \
do { \
device_create_file(&client->dev, &dev_attr_temp##offset##_input); \
device_create_file(&client->dev, &dev_attr_temp##offset##_max); \
device_create_file(&client->dev, &dev_attr_temp##offset##_max_hyst); \
} while (0)
static ssize_t
show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
{
......@@ -670,8 +650,6 @@ show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
#define device_create_file_vid(client) \
device_create_file(&client->dev, &dev_attr_cpu0_vid)
static ssize_t
show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
......@@ -692,8 +670,6 @@ store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf
return count;
}
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
#define device_create_file_vrm(client) \
device_create_file(&client->dev, &dev_attr_vrm)
static ssize_t
show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
......@@ -702,8 +678,6 @@ show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
return sprintf(buf, "%ld\n", (long) data->alarms);
}
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
#define device_create_file_alarms(client) \
device_create_file(&client->dev, &dev_attr_alarms)
#define show_beep_reg(REG, reg) \
static ssize_t show_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \
......@@ -766,12 +740,6 @@ static DEVICE_ATTR(beep_##reg, S_IRUGO | S_IWUSR, \
sysfs_beep(ENABLE, enable);
sysfs_beep(MASK, mask);
#define device_create_file_beep(client) \
do { \
device_create_file(&client->dev, &dev_attr_beep_enable); \
device_create_file(&client->dev, &dev_attr_beep_mask); \
} while (0)
static ssize_t
show_fan_div_reg(struct device *dev, char *buf, int nr)
{
......@@ -837,11 +805,6 @@ sysfs_fan_div(1);
sysfs_fan_div(2);
sysfs_fan_div(3);
#define device_create_file_fan_div(client, offset) \
do { \
device_create_file(&client->dev, &dev_attr_fan##offset##_div); \
} while (0)
static ssize_t
show_pwm_reg(struct device *dev, char *buf, int nr)
{
......@@ -896,11 +859,6 @@ sysfs_pwm(1);
sysfs_pwm(2);
sysfs_pwm(3);
#define device_create_file_pwm(client, offset) \
do { \
device_create_file(&client->dev, &dev_attr_pwm##offset); \
} while (0)
static ssize_t
show_sensor_reg(struct device *dev, char *buf, int nr)
{
......@@ -972,12 +930,6 @@ sysfs_sensor(1);
sysfs_sensor(2);
sysfs_sensor(3);
#define device_create_file_sensor(client, offset) \
do { \
device_create_file(&client->dev, &dev_attr_temp##offset##_type); \
} while (0)
static int __init w83627hf_find(int sioaddr, unsigned short *addr)
{
u16 val;
......@@ -1009,6 +961,85 @@ static int __init w83627hf_find(int sioaddr, unsigned short *addr)
return 0;
}
static struct attribute *w83627hf_attributes[] = {
&dev_attr_in0_input.attr,
&dev_attr_in0_min.attr,
&dev_attr_in0_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_in4_input.attr,
&dev_attr_in4_min.attr,
&dev_attr_in4_max.attr,
&dev_attr_in7_input.attr,
&dev_attr_in7_min.attr,
&dev_attr_in7_max.attr,
&dev_attr_in8_input.attr,
&dev_attr_in8_min.attr,
&dev_attr_in8_max.attr,
&dev_attr_fan1_input.attr,
&dev_attr_fan1_min.attr,
&dev_attr_fan1_div.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_temp1_type.attr,
&dev_attr_temp2_input.attr,
&dev_attr_temp2_max.attr,
&dev_attr_temp2_max_hyst.attr,
&dev_attr_temp2_type.attr,
&dev_attr_alarms.attr,
&dev_attr_beep_enable.attr,
&dev_attr_beep_mask.attr,
&dev_attr_pwm1.attr,
&dev_attr_pwm2.attr,
NULL
};
static const struct attribute_group w83627hf_group = {
.attrs = w83627hf_attributes,
};
static struct attribute *w83627hf_attributes_opt[] = {
&dev_attr_in1_input.attr,
&dev_attr_in1_min.attr,
&dev_attr_in1_max.attr,
&dev_attr_in5_input.attr,
&dev_attr_in5_min.attr,
&dev_attr_in5_max.attr,
&dev_attr_in6_input.attr,
&dev_attr_in6_min.attr,
&dev_attr_in6_max.attr,
&dev_attr_fan3_input.attr,
&dev_attr_fan3_min.attr,
&dev_attr_fan3_div.attr,
&dev_attr_temp3_input.attr,
&dev_attr_temp3_max.attr,
&dev_attr_temp3_max_hyst.attr,
&dev_attr_temp3_type.attr,
&dev_attr_pwm3.attr,
NULL
};
static const struct attribute_group w83627hf_group_opt = {
.attrs = w83627hf_attributes_opt,
};