From: Rudolf Marek <r.marek at assembler.cz>
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 at assembler.cz>
Signed-off-by: Jean Delvare <khali at linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de>
---
drivers/hwmon/w83l785ts.c | 28 ++++++++++++++++++++--------
1 files changed, 20 insertions(+), 8 deletions(-)
diff --git a/drivers/hwmon/w83l785ts.c b/drivers/hwmon/w83l785ts.c
index 3f2bac1..a3fcace 100644
--- a/drivers/hwmon/w83l785ts.c
+++ b/drivers/hwmon/w83l785ts.c
@@ -236,21 +236,30 @@ static int w83l785ts_detect(struct i2c_a
* 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(struc
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;
--
1.4.2.1
