diff --git a/drivers/serial/68360serial.c b/drivers/serial/68360serial.c
index f594636..6f54010 100644
--- a/drivers/serial/68360serial.c
+++ b/drivers/serial/68360serial.c
@@ -1282,7 +1282,7 @@
 
 	if (tty->flags & (1 << TTY_IO_ERROR))
 		return -EIO;
-
+	/* FIXME: locking on info->mcr */
  	if (set & TIOCM_RTS)
  		info->mcr |= UART_MCR_RTS;
  	if (set & TIOCM_DTR)