hwmon: (w83793) Remove duplicate NULL check

Since i2c_unregister_device() became NULL-aware we may remove duplicate NULL check. Cc: Rudolf Marek <[email protected]> Cc: Jean Delvare <[email protected]> Cc: Guenter Roeck <[email protected]> Cc: [email protected] Signed-off-by: Andy Shevchenko <[email protected]> Reviewed-by: Jean Delvare <[email protected]> Signed-off-by: Guenter Roeck <[email protected]>
jangid · Nov 16, 2017 · 7adce42 · 7adce42
1 parent c85a78b
commit 7adce42
Showing 1 changed file with 5 additions and 10 deletions.
diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
@@ -1564,10 +1564,8 @@ static int w83793_remove(struct i2c_client *client)
 	for (i = 0; i < ARRAY_SIZE(w83793_temp); i++)
 		device_remove_file(dev, &w83793_temp[i].dev_attr);
 
-	if (data->lm75[0] != NULL)
-		i2c_unregister_device(data->lm75[0]);
-	if (data->lm75[1] != NULL)
-		i2c_unregister_device(data->lm75[1]);
+	i2c_unregister_device(data->lm75[0]);
+	i2c_unregister_device(data->lm75[1]);
 
 	/* Decrease data reference counter */
 	mutex_lock(&watchdog_data_mutex);
@@ -1625,8 +1623,7 @@ w83793_detect_subclients(struct i2c_client *client)
 	/* Undo inits in case of errors */
 
 ERROR_SC_1:
-	if (data->lm75[0] != NULL)
-		i2c_unregister_device(data->lm75[0]);
+	i2c_unregister_device(data->lm75[0]);
 ERROR_SC_0:
 	return err;
 }
@@ -1962,10 +1959,8 @@ static int w83793_probe(struct i2c_client *client,
 	for (i = 0; i < ARRAY_SIZE(w83793_temp); i++)
 		device_remove_file(dev, &w83793_temp[i].dev_attr);
 
-	if (data->lm75[0] != NULL)
-		i2c_unregister_device(data->lm75[0]);
-	if (data->lm75[1] != NULL)
-		i2c_unregister_device(data->lm75[1]);
+	i2c_unregister_device(data->lm75[0]);
+	i2c_unregister_device(data->lm75[1]);
 free_mem:
 	kfree(data);
 exit: