diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 31bd45a2d16b4..5819667f5bdb0 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -546,10 +546,8 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc)
 	old_ldisc = tty->ldisc;
 	tty_lock(tty);
 
-	/* FIXME: for testing only */
-	WARN_ON(test_bit(TTY_HUPPED, &tty->flags));
-
-	if (test_bit(TTY_HUPPING, &tty->flags)) {
+	if (test_bit(TTY_HUPPING, &tty->flags) ||
+	    test_bit(TTY_HUPPED, &tty->flags)) {
 		/* We were raced by the hangup method. It will have stomped
 		   the ldisc data and closed the ldisc down */
 		tty_ldisc_enable_pair(tty, o_tty);