From owner-svn-src-stable@FreeBSD.ORG  Tue Nov  1 15:41:56 2011
Return-Path: <owner-svn-src-stable@FreeBSD.ORG>
Delivered-To: svn-src-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 02CF4106566C;
	Tue,  1 Nov 2011 15:41:56 +0000 (UTC) (envelope-from kib@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id E67D08FC19;
	Tue,  1 Nov 2011 15:41:55 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id pA1Fft5P072928;
	Tue, 1 Nov 2011 15:41:55 GMT (envelope-from kib@svn.freebsd.org)
Received: (from kib@localhost)
	by svn.freebsd.org (8.14.4/8.14.4/Submit) id pA1FftZO072926;
	Tue, 1 Nov 2011 15:41:55 GMT (envelope-from kib@svn.freebsd.org)
Message-Id: <201111011541.pA1FftZO072926@svn.freebsd.org>
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 1 Nov 2011 15:41:55 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org
X-SVN-Group: stable-9
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r226990 - stable/9/sys/fs/nullfs
X-BeenThere: svn-src-stable@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for all the -stable branches of the src tree
	<svn-src-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-stable>, 
	<mailto:svn-src-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-stable>
List-Post: <mailto:svn-src-stable@freebsd.org>
List-Help: <mailto:svn-src-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-stable>,
	<mailto:svn-src-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 01 Nov 2011 15:41:56 -0000

Author: kib
Date: Tue Nov  1 15:41:55 2011
New Revision: 226990
URL: http://svn.freebsd.org/changeset/base/226990

Log:
  MFC r226688:
  The use of VOP_ISLOCKED() without a check for the return values can cause
  false positives. Replace the #ifdef block with the proper
  ASSERT_VOP_UNLOCKED() assert.
  
  Approved by:	re (bz)

Modified:
  stable/9/sys/fs/nullfs/null_vfsops.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/9/sys/fs/nullfs/null_vfsops.c
==============================================================================
--- stable/9/sys/fs/nullfs/null_vfsops.c	Tue Nov  1 15:38:41 2011	(r226989)
+++ stable/9/sys/fs/nullfs/null_vfsops.c	Tue Nov  1 15:41:55 2011	(r226990)
@@ -242,10 +242,7 @@ nullfs_root(mp, flags, vpp)
 	vp = MOUNTTONULLMOUNT(mp)->nullm_rootvp;
 	VREF(vp);
 
-#ifdef NULLFS_DEBUG
-	if (VOP_ISLOCKED(vp))
-		panic("root vnode is locked.\n");
-#endif
+	ASSERT_VOP_UNLOCKED(vp, "root vnode is locked");
 	vn_lock(vp, flags | LK_RETRY);
 	*vpp = vp;
 	return 0;