HID: lenovo-tpkbd: Fix memory leak in tpkbd_remove_tp()

We need to kfree names for led_mute and led_micmute in tpkbd_remove_tp().
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Bernhard Seibold <mail@bernhard-seibold.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/hid/hid-lenovo-tpkbd.c

@@ -519,6 +519,8 @@ static void tpkbd_remove_tp(struct hid_device *hdev)
 	led_classdev_unregister(&data_pointer->led_mute);
 
 	hid_set_drvdata(hdev, NULL);
+	kfree(data_pointer->led_micmute.name);
+	kfree(data_pointer->led_mute.name);
 	kfree(data_pointer);
 }