From owner-svn-src-head@FreeBSD.ORG  Wed Apr 18 08:55:27 2012
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 2517C1065670;
	Wed, 18 Apr 2012 08:55:27 +0000 (UTC) (envelope-from mav@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 107898FC0C;
	Wed, 18 Apr 2012 08:55:27 +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 q3I8tQrl022830;
	Wed, 18 Apr 2012 08:55:26 GMT (envelope-from mav@svn.freebsd.org)
Received: (from mav@localhost)
	by svn.freebsd.org (8.14.4/8.14.4/Submit) id q3I8tQWd022827;
	Wed, 18 Apr 2012 08:55:26 GMT (envelope-from mav@svn.freebsd.org)
Message-Id: <201204180855.q3I8tQWd022827@svn.freebsd.org>
From: Alexander Motin <mav@FreeBSD.org>
Date: Wed, 18 Apr 2012 08:55:26 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-head@freebsd.org
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r234414 - head/sys/cam/ata
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
	<svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 18 Apr 2012 08:55:27 -0000

Author: mav
Date: Wed Apr 18 08:55:26 2012
New Revision: 234414
URL: http://svn.freebsd.org/changeset/base/234414

Log:
  Alike to SCSI make adaclose() to not return error if device gone.
  This fixes KASSERT panic inside GEOM if kernel built with INVARIANTS.
  
  MFC after:	1 week

Modified:
  head/sys/cam/ata/ata_da.c

Modified: head/sys/cam/ata/ata_da.c
==============================================================================
--- head/sys/cam/ata/ata_da.c	Wed Apr 18 08:15:55 2012	(r234413)
+++ head/sys/cam/ata/ata_da.c	Wed Apr 18 08:55:26 2012	(r234414)
@@ -456,17 +456,16 @@ adaclose(struct disk *dp)
 	struct	cam_periph *periph;
 	struct	ada_softc *softc;
 	union ccb *ccb;
-	int error;
 
 	periph = (struct cam_periph *)dp->d_drv1;
 	if (periph == NULL)
 		return (ENXIO);	
 
 	cam_periph_lock(periph);
-	if ((error = cam_periph_hold(periph, PRIBIO)) != 0) {
+	if (cam_periph_hold(periph, PRIBIO) != 0) {
 		cam_periph_unlock(periph);
 		cam_periph_release(periph);
-		return (error);
+		return (0);
 	}
 
 	softc = (struct ada_softc *)periph->softc;