From owner-p4-projects@FreeBSD.ORG  Tue Oct 28 10:52:10 2008
Return-Path: <owner-p4-projects@FreeBSD.ORG>
Delivered-To: p4-projects@freebsd.org
Received: by hub.freebsd.org (Postfix, from userid 32767)
	id EFBBE1065682; Tue, 28 Oct 2008 10:52:09 +0000 (UTC)
Delivered-To: perforce@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id B3F841065676
	for <perforce@FreeBSD.org>; Tue, 28 Oct 2008 10:52:09 +0000 (UTC)
	(envelope-from ed@FreeBSD.org)
Received: from repoman.freebsd.org (repoman.freebsd.org
	[IPv6:2001:4f8:fff6::29])
	by mx1.freebsd.org (Postfix) with ESMTP id A43198FC2A
	for <perforce@FreeBSD.org>; Tue, 28 Oct 2008 10:52:09 +0000 (UTC)
	(envelope-from ed@FreeBSD.org)
Received: from repoman.freebsd.org (localhost [127.0.0.1])
	by repoman.freebsd.org (8.14.3/8.14.3) with ESMTP id m9SAq9eM093523
	for <perforce@FreeBSD.org>; Tue, 28 Oct 2008 10:52:09 GMT
	(envelope-from ed@FreeBSD.org)
Received: (from perforce@localhost)
	by repoman.freebsd.org (8.14.3/8.14.3/Submit) id m9SAq9sm093521
	for perforce@freebsd.org; Tue, 28 Oct 2008 10:52:09 GMT
	(envelope-from ed@FreeBSD.org)
Date: Tue, 28 Oct 2008 10:52:09 GMT
Message-Id: <200810281052.m9SAq9sm093521@repoman.freebsd.org>
X-Authentication-Warning: repoman.freebsd.org: perforce set sender to
	ed@FreeBSD.org using -f
From: Ed Schouten <ed@FreeBSD.org>
To: Perforce Change Reviews <perforce@FreeBSD.org>
Cc: 
Subject: PERFORCE change 152090 for review
X-BeenThere: p4-projects@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: p4 projects tree changes <p4-projects.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/p4-projects>
List-Post: <mailto:p4-projects@freebsd.org>
List-Help: <mailto:p4-projects-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 28 Oct 2008 10:52:10 -0000

http://perforce.freebsd.org/chv.cgi?CH=152090

Change 152090 by ed@ed_dull on 2008/10/28 10:51:10

	It turns out we have console devices on our system that may have
	no TTY associated with them. Don't panic when our primary
	console device has no TTY associated.

Affected files ...

.. //depot/projects/mpsafetty/sys/kern/tty.c#62 edit

Differences ...

==== //depot/projects/mpsafetty/sys/kern/tty.c#62 (text+ko) ====

@@ -1769,8 +1769,9 @@
 	}
 	sx_sunlock(&tty_list_sx);
 
+	/* System console has no TTY associated. */
 	if (dev_console->si_drv1 == NULL)
-		panic("Device driver uses name of nonexistent TTY");
+		return (ENXIO);
 	
 	return (ttydev_open(dev, oflags, devtype, td));
 }