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hwmon: Fix unchecked return status, batch 1

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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: 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 20:59:49 +02:00
committed by Greg Kroah-Hartman
parent a1fdcb96ee
commit c1685f61b0
5 changed files with 302 additions and 209 deletions
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24
drivers/hwmon/lm75.c
View File

@@ -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;