From 0e39e01c908fdc498fff0d788fd7b955ab75ebb6 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sun, 24 Sep 2006 21:16:40 +0200 Subject: hwmon: Fix unchecked return status, batch 4 hwmon: Fix unchecked return status, batch 4 Fix up some hwmon drivers so that they no longer ignore return status from device_create_file(). Note: f71805f actually checked the status from device_create_file already. However it did not remove the files on device destruction. It was also an opportunity to use sysfs_create/remove_group instead of hand-made loops. This makes the changes much more important but I think the result is worth it. Signed-off-by: Jean Delvare Signed-off-by: Greg Kroah-Hartman --- drivers/hwmon/lm63.c | 89 ++++++++++++++++++++++++++++++---------------------- 1 file changed, 52 insertions(+), 37 deletions(-) (limited to 'drivers/hwmon/lm63.c') diff --git a/drivers/hwmon/lm63.c b/drivers/hwmon/lm63.c index 00a50bea7cb..d69f3cf0712 100644 --- a/drivers/hwmon/lm63.c +++ b/drivers/hwmon/lm63.c @@ -46,6 +46,7 @@ #include #include #include +#include /* * Addresses to scan @@ -370,6 +371,42 @@ static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 6); /* Raw alarm file for compatibility */ static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); +static struct attribute *lm63_attributes[] = { + &dev_attr_pwm1.attr, + &dev_attr_pwm1_enable.attr, + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp2_min.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp2_crit.dev_attr.attr, + &dev_attr_temp2_crit_hyst.attr, + + &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_input_fault.dev_attr.attr, + &sensor_dev_attr_temp2_min_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_max_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_max_alarm.dev_attr.attr, + &dev_attr_alarms.attr, + NULL +}; + +static const struct attribute_group lm63_group = { + .attrs = lm63_attributes, +}; + +static struct attribute *lm63_attributes_fan1[] = { + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan1_min.dev_attr.attr, + + &sensor_dev_attr_fan1_min_alarm.dev_attr.attr, + NULL +}; + +static const struct attribute_group lm63_group_fan1 = { + .attrs = lm63_attributes_fan1, +}; + /* * Real code */ @@ -456,50 +493,26 @@ static int lm63_detect(struct i2c_adapter *adapter, int address, int kind) lm63_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, + &lm63_group))) goto exit_detach; + if (data->config & 0x04) { /* tachometer enabled */ + if ((err = sysfs_create_group(&new_client->dev.kobj, + &lm63_group_fan1))) + goto exit_remove_files; } - if (data->config & 0x04) { /* tachometer enabled */ - device_create_file(&new_client->dev, - &sensor_dev_attr_fan1_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_fan1_min.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_fan1_min_alarm.dev_attr); + 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; } - device_create_file(&new_client->dev, &dev_attr_pwm1); - device_create_file(&new_client->dev, &dev_attr_pwm1_enable); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp1_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp2_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp2_min.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp1_max.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp2_max.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp2_crit.dev_attr); - device_create_file(&new_client->dev, &dev_attr_temp2_crit_hyst); - - device_create_file(&new_client->dev, - &sensor_dev_attr_temp2_input_fault.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp2_min_alarm.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp1_max_alarm.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp2_max_alarm.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp2_crit_alarm.dev_attr); - device_create_file(&new_client->dev, &dev_attr_alarms); return 0; +exit_remove_files: + sysfs_remove_group(&new_client->dev.kobj, &lm63_group); + sysfs_remove_group(&new_client->dev.kobj, &lm63_group_fan1); exit_detach: i2c_detach_client(new_client); exit_free: @@ -549,6 +562,8 @@ static int lm63_detach_client(struct i2c_client *client) int err; hwmon_device_unregister(data->class_dev); + sysfs_remove_group(&client->dev.kobj, &lm63_group); + sysfs_remove_group(&client->dev.kobj, &lm63_group_fan1); if ((err = i2c_detach_client(client))) return err; -- cgit v1.2.3