diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c
index 215c8e4..0fb601c 100644
--- a/drivers/hwmon/lm92.c
+++ b/drivers/hwmon/lm92.c
@@ -45,7 +45,8 @@
 #include <linux/slab.h>
 #include <linux/i2c.h>
 #include <linux/i2c-sensor.h>
-
+#include <linux/hwmon.h>
+#include <linux/err.h>
 
 /* The LM92 and MAX6635 have 2 two-state pins for address selection,
    resulting in 4 possible addresses. */
@@ -96,6 +97,7 @@
 /* Client data (each client gets its own) */
 struct lm92_data {
 	struct i2c_client client;
+	struct class_device *class_dev;
 	struct semaphore update_lock;
 	char valid; /* zero until following fields are valid */
 	unsigned long last_updated; /* in jiffies */
@@ -359,6 +361,12 @@
 	lm92_init_client(new_client);
 
 	/* 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;
+	}
+
 	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);
@@ -370,6 +378,8 @@
 
 	return 0;
 
+exit_detach:
+	i2c_detach_client(new_client);
 exit_free:
 	kfree(data);
 exit:
@@ -385,15 +395,18 @@
 
 static int lm92_detach_client(struct i2c_client *client)
 {
+	struct lm92_data *data = i2c_get_clientdata(client);
 	int err;
 
+	hwmon_device_unregister(data->class_dev);
+
 	if ((err = i2c_detach_client(client))) {
 		dev_err(&client->dev, "Client deregistration failed, "
 			"client not detached.\n");
 		return err;
 	}
 
-	kfree(i2c_get_clientdata(client));
+	kfree(data);
 	return 0;
 }