diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index bd88007fa6eaae760941af7eeb0b4e2960bba76b..366af832794b54db8ab9b8b7c7f524bdfe11f464 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1618,6 +1618,8 @@ static void release_tty(struct tty_struct *tty, int idx)
 	tty_free_termios(tty);
 	tty_driver_remove_tty(tty->driver, tty);
 	tty->port->itty = NULL;
+	if (tty->link)
+		tty->link->port->itty = NULL;
 	cancel_work_sync(&tty->port->buf.work);
 
 	if (tty->link)