From owner-svn-src-head@freebsd.org  Tue Feb 23 22:50:46 2016
Return-Path: <owner-svn-src-head@freebsd.org>
Delivered-To: svn-src-head@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 74321AB2DA5;
 Tue, 23 Feb 2016 22:50:46 +0000 (UTC)
 (envelope-from jkim@FreeBSD.org)
Received: from repo.freebsd.org (repo.freebsd.org
 [IPv6:2610:1c1:1:6068::e6a:0])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 433BEDB3;
 Tue, 23 Feb 2016 22:50:46 +0000 (UTC)
 (envelope-from jkim@FreeBSD.org)
Received: from repo.freebsd.org ([127.0.1.37])
 by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u1NMoji8064296;
 Tue, 23 Feb 2016 22:50:45 GMT (envelope-from jkim@FreeBSD.org)
Received: (from jkim@localhost)
 by repo.freebsd.org (8.15.2/8.15.2/Submit) id u1NMojE1064295;
 Tue, 23 Feb 2016 22:50:45 GMT (envelope-from jkim@FreeBSD.org)
Message-Id: <201602232250.u1NMojE1064295@repo.freebsd.org>
X-Authentication-Warning: repo.freebsd.org: jkim set sender to
 jkim@FreeBSD.org using -f
From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Tue, 23 Feb 2016 22:50:45 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: svn commit: r295938 - head/sys/dev/acpica
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.20
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/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: <https://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 23 Feb 2016 22:50:46 -0000

Author: jkim
Date: Tue Feb 23 22:50:45 2016
New Revision: 295938
URL: https://svnweb.freebsd.org/changeset/base/295938

Log:
  Remove brightness notify handler before reinstalling new one.

Modified:
  head/sys/dev/acpica/acpi_video.c

Modified: head/sys/dev/acpica/acpi_video.c
==============================================================================
--- head/sys/dev/acpica/acpi_video.c	Tue Feb 23 22:44:01 2016	(r295937)
+++ head/sys/dev/acpica/acpi_video.c	Tue Feb 23 22:50:45 2016	(r295938)
@@ -597,8 +597,12 @@ acpi_video_vo_bind(struct acpi_video_out
 {
 
 	ACPI_SERIAL_BEGIN(video_output);
-	if (vo->vo_levels != NULL)
+	if (vo->vo_levels != NULL) {
+		AcpiRemoveNotifyHandler(vo->handle, ACPI_DEVICE_NOTIFY,
+		    acpi_video_vo_notify_handler);
 		AcpiOsFree(vo->vo_levels);
+		vo->vo_levels = NULL;
+	}
 	vo->handle = handle;
 	vo->vo_numlevels = vo_get_brightness_levels(handle, &vo->vo_levels);
 	if (vo->vo_numlevels >= 2) {