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>

1 files changed, 82 insertions, 46 deletions

diff --git a/drivers/hwmon/gl520sm.c b/drivers/hwmon/gl520sm.c
index 14e810f..ebe7b9a 100644
--- a/drivers/hwmon/gl520sm.c
+++ b/drivers/hwmon/gl520sm.c
@@ -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;