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w83l785ts: Fix unchecked return status

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w83l785ts: Fix unchecked return status

Fix the w83l785ts driver. Add error checking to device_create_file
and also care to destroy the files upon exit.

Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Rudolf Marek 2006-09-24 21:23:26 +02:00 committed by Greg Kroah-Hartman
parent 311ce2efb1
commit ccc5c30695
1 changed files with 20 additions and 8 deletions
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28
drivers/hwmon/w83l785ts.c
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@ -236,21 +236,30 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind)
* Nothing yet, assume it is already started.
*/
err = device_create_file(&new_client->dev,
&sensor_dev_attr_temp1_input.dev_attr);
if (err)
goto exit_remove;
err = device_create_file(&new_client->dev,
&sensor_dev_attr_temp1_max.dev_attr);
if (err)
goto exit_remove;
/* Register sysfs hooks */
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,
&sensor_dev_attr_temp1_input.dev_attr);
device_create_file(&new_client->dev,
&sensor_dev_attr_temp1_max.dev_attr);
return 0;
exit_detach:
exit_remove:
device_remove_file(&new_client->dev,
&sensor_dev_attr_temp1_input.dev_attr);
device_remove_file(&new_client->dev,
&sensor_dev_attr_temp1_max.dev_attr);
i2c_detach_client(new_client);
exit_free:
kfree(data);
@ -264,7 +273,10 @@ static int w83l785ts_detach_client(struct i2c_client *client)
int err;
hwmon_device_unregister(data->class_dev);
device_remove_file(&client->dev,
&sensor_dev_attr_temp1_input.dev_attr);
device_remove_file(&client->dev,
&sensor_dev_attr_temp1_max.dev_attr);
if ((err = i2c_detach_client(client)))
return err;