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hwmon: Fix unchecked return status, batch 2

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hwmon: Fix unchecked return status, batch 2

Fix up some hwmon drivers so that they no longer ignore return status
from device_create_file().

Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Mark M. Hoffman
2006-09-24 21:14:35 +02:00
committed by Greg Kroah-Hartman
parent c18beb5b92
commit 0501a3816e
5 changed files with 340 additions and 180 deletions
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33
drivers/hwmon/lm77.c
View File

@@ -212,6 +212,23 @@ static int lm77_attach_adapter(struct i2c_adapter *adapter)
return i2c_probe(adapter, &addr_data, lm77_detect);
}
static struct attribute *lm77_attributes[] = {
&dev_attr_temp1_input.attr,
&dev_attr_temp1_crit.attr,
&dev_attr_temp1_min.attr,
&dev_attr_temp1_max.attr,
&dev_attr_temp1_crit_hyst.attr,
&dev_attr_temp1_min_hyst.attr,
&dev_attr_temp1_max_hyst.attr,
&dev_attr_alarms.attr,
NULL
};
static const struct attribute_group lm77_group = {
.attrs = lm77_attributes,
};
/* This function is called by i2c_probe */
static int lm77_detect(struct i2c_adapter *adapter, int address, int kind)
{
@@ -317,22 +334,19 @@ static int lm77_detect(struct i2c_adapter *adapter, int address, int kind)
lm77_init_client(new_client);
/* Register sysfs hooks */
if ((err = sysfs_create_group(&new_client->dev.kobj, &lm77_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_input);
device_create_file(&new_client->dev, &dev_attr_temp1_crit);
device_create_file(&new_client->dev, &dev_attr_temp1_min);
device_create_file(&new_client->dev, &dev_attr_temp1_max);
device_create_file(&new_client->dev, &dev_attr_temp1_crit_hyst);
device_create_file(&new_client->dev, &dev_attr_temp1_min_hyst);
device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
device_create_file(&new_client->dev, &dev_attr_alarms);
return 0;
exit_remove:
sysfs_remove_group(&new_client->dev.kobj, &lm77_group);
exit_detach:
i2c_detach_client(new_client);
exit_free:
@@ -345,6 +359,7 @@ static int lm77_detach_client(struct i2c_client *client)
{
struct lm77_data *data = i2c_get_clientdata(client);
hwmon_device_unregister(data->class_dev);
sysfs_remove_group(&client->dev.kobj, &lm77_group);
i2c_detach_client(client);
kfree(data);
return 0;