From owner-cvs-all@FreeBSD.ORG  Mon Feb  2 18:50:53 2004
Return-Path: <owner-cvs-all@FreeBSD.ORG>
Delivered-To: cvs-all@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 0A00E16A4CE; Mon,  2 Feb 2004 18:50:53 -0800 (PST)
Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 8C38643D2D; Mon,  2 Feb 2004 18:50:51 -0800 (PST)
	(envelope-from rwatson@FreeBSD.org)
Received: from repoman.freebsd.org (localhost [127.0.0.1])
	by repoman.freebsd.org (8.12.10/8.12.10) with ESMTP id i132op0B049849;
	Mon, 2 Feb 2004 18:50:51 -0800 (PST)
	(envelope-from rwatson@repoman.freebsd.org)
Received: (from rwatson@localhost)
	by repoman.freebsd.org (8.12.10/8.12.10/Submit) id i132opaw049848;
	Mon, 2 Feb 2004 18:50:51 -0800 (PST)
	(envelope-from rwatson)
Message-Id: <200402030250.i132opaw049848@repoman.freebsd.org>
From: Robert Watson <rwatson@FreeBSD.org>
Date: Mon, 2 Feb 2004 18:50:51 -0800 (PST)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/kern sys_pipe.c
X-BeenThere: cvs-all@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: CVS commit messages for the entire tree <cvs-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-all>,
	<mailto:cvs-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/cvs-all>
List-Post: <mailto:cvs-all@freebsd.org>
List-Help: <mailto:cvs-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-all>,
	<mailto:cvs-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 03 Feb 2004 02:50:53 -0000

rwatson     2004/02/02 18:50:51 PST

  FreeBSD src repository

  Modified files:
    sys/kern             sys_pipe.c 
  Log:
  Catch instances of (pipe == NULL) that were obsoleted with recent
  changes to jointly allocated pipe pairs.  Replace these checks
  with pipe_present checks.  This avoids a NULL pointer dereference
  when a pipe is half-closed.
  
  Submitted by:   Peter Edwards <peter.edwards@openet-telecom.com>
  
  Revision  Changes    Path
  1.166     +6 -6      src/sys/kern/sys_pipe.c