From owner-p4-projects@FreeBSD.ORG  Wed Mar 29 22:05:55 2006
Return-Path: <owner-p4-projects@FreeBSD.ORG>
X-Original-To: p4-projects@freebsd.org
Delivered-To: p4-projects@freebsd.org
Received: by hub.freebsd.org (Postfix, from userid 32767)
	id CD0E616A443; Wed, 29 Mar 2006 22:05:55 +0000 (UTC)
X-Original-To: perforce@freebsd.org
Delivered-To: perforce@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id A39F316A440
	for <perforce@freebsd.org>; Wed, 29 Mar 2006 22:05:55 +0000 (UTC)
	(envelope-from marcel@freebsd.org)
Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 5CCEE43D75
	for <perforce@freebsd.org>; Wed, 29 Mar 2006 22:05:53 +0000 (GMT)
	(envelope-from marcel@freebsd.org)
Received: from repoman.freebsd.org (localhost [127.0.0.1])
	by repoman.freebsd.org (8.13.1/8.13.1) with ESMTP id k2TM5r1N077626
	for <perforce@freebsd.org>; Wed, 29 Mar 2006 22:05:53 GMT
	(envelope-from marcel@freebsd.org)
Received: (from perforce@localhost)
	by repoman.freebsd.org (8.13.1/8.13.1/Submit) id k2TM5rAr077619
	for perforce@freebsd.org; Wed, 29 Mar 2006 22:05:53 GMT
	(envelope-from marcel@freebsd.org)
Date: Wed, 29 Mar 2006 22:05:53 GMT
Message-Id: <200603292205.k2TM5rAr077619@repoman.freebsd.org>
X-Authentication-Warning: repoman.freebsd.org: perforce set sender to
	marcel@freebsd.org using -f
From: Marcel Moolenaar <marcel@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Cc: 
Subject: PERFORCE change 94263 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: Wed, 29 Mar 2006 22:05:56 -0000

http://perforce.freebsd.org/chv.cgi?CH=94263

Change 94263 by marcel@marcel_nfs on 2006/03/29 22:05:32

	In uart_tty_open(), fail if there's no softc or sc_leaving has
	been set in the softc.

Affected files ...

.. //depot/projects/uart/dev/uart/uart_tty.c#27 edit

Differences ...

==== //depot/projects/uart/dev/uart/uart_tty.c#27 (text+ko) ====

@@ -137,6 +137,10 @@
 	struct uart_softc *sc;
 
 	sc = tp->t_sc;
+
+	if (sc == NULL || sc->sc_leaving)
+		return (ENXIO);
+
 	sc->sc_opened = 1;
 	return (0);
 }