diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 4cfc4cd4aae37cc0342877df293cca5125019282..cb0ecd5b2e4bad4c8ad603fe3d6b56b485cb47b0 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1984,6 +1984,7 @@ static int ftdi_process_packet(struct tty_struct *tty,
 	len -= 2;
 	if (!len)
 		return 0;	/* status only */
+	priv->icount.rx += len;
 	ch = packet + 2;
 
 	if (port->port.console && port->sysrq) {