hwmon: Fix unchecked return status, batch 2

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>

1 files changed, 24 insertions, 10 deletions

diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c
index 197f772..30b5363 100644
--- a/drivers/hwmon/lm92.c
+++ b/drivers/hwmon/lm92.c
@@ -288,6 +288,23 @@ static int max6635_check(struct i2c_client *client)
 	return 1;
 }
 
+static struct attribute *lm92_attributes[] = {
+	&dev_attr_temp1_input.attr,
+	&dev_attr_temp1_crit.attr,
+	&dev_attr_temp1_crit_hyst.attr,
+	&dev_attr_temp1_min.attr,
+	&dev_attr_temp1_min_hyst.attr,
+	&dev_attr_temp1_max.attr,
+	&dev_attr_temp1_max_hyst.attr,
+	&dev_attr_alarms.attr,
+
+	NULL
+};
+
+static const struct attribute_group lm92_group = {
+	.attrs = lm92_attributes,
+};
+
 /* The following function does more than just detection. If detection
    succeeds, it also registers the new chip. */
 static int lm92_detect(struct i2c_adapter *adapter, int address, int kind)
@@ -359,23 +376,19 @@ static int lm92_detect(struct i2c_adapter *adapter, int address, int kind)
 	lm92_init_client(new_client);
 
 	/* Register sysfs hooks */
+	if ((err = sysfs_create_group(&new_client->dev.kobj, &lm92_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_crit_hyst);
-	device_create_file(&new_client->dev, &dev_attr_temp1_min);
-	device_create_file(&new_client->dev, &dev_attr_temp1_min_hyst);
-	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_alarms);
-
 	return 0;
 
+exit_remove:
+	sysfs_remove_group(&new_client->dev.kobj, &lm92_group);
 exit_detach:
 	i2c_detach_client(new_client);
 exit_free:
@@ -397,6 +410,7 @@ static int lm92_detach_client(struct i2c_client *client)
 	int err;
 
 	hwmon_device_unregister(data->class_dev);
+	sysfs_remove_group(&client->dev.kobj, &lm92_group);
 
 	if ((err = i2c_detach_client(client)))
 		return err;