diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 705a7e7..fa4fb5e 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -422,10 +422,7 @@
 {
 	dbg("%s - port %d", __func__, port->number);
 
-	/* shutdown our urbs */
-	dbg("%s - shutting down urbs", __func__);
-	usb_kill_urb(port->write_urb);
-	usb_kill_urb(port->read_urb);
+	usb_serial_generic_close(port);
 
 	mutex_lock(&port->serial->disc_mutex);
 	if (!port->serial->disconnected)