diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index c186b4e..89ce277 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1388,8 +1388,7 @@
 	flush_scheduled_work();
 
 	/* shutdown our bulk read */
-	if (port->read_urb)
-		usb_kill_urb(port->read_urb);
+	usb_kill_urb(port->read_urb);
 } /* ftdi_close */