From 631a6182381f246c4c6aa9a200c744fcd5be015c Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicm@openbsd.org>
Date: Wed, 23 Sep 2009 07:25:31 +0000
Subject: [PATCH] Don't die if the client is detaching (the tty has been
 closed) after waking up from locking.

---
 tty.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tty.c b/tty.c
index 82cfac80..2129747d 100644
--- a/tty.c
+++ b/tty.c
@@ -131,6 +131,9 @@ tty_start_tty(struct tty *tty)
 	struct termios	 tio;
 	int		 what;
 
+	if (tty->fd == -1)
+		return;
+
 #if 0
 	tty_detect_utf8(tty);
 #endif