diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index f7771d86ad6c8..4ea44f7122ee3 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -518,7 +518,7 @@ static void gs_rx_push(unsigned long _port) } /* push data to (open) tty */ - if (req->actual) { + if (req->actual && tty) { char *packet = req->buf; unsigned size = req->actual; unsigned n;