From owner-svn-src-all@FreeBSD.ORG  Sun Dec 13 15:08:26 2009
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 5AB4B1065672;
	Sun, 13 Dec 2009 15:08:26 +0000 (UTC)
	(envelope-from rnoland@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 490418FC1B;
	Sun, 13 Dec 2009 15:08:26 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id nBDF8PPu089760;
	Sun, 13 Dec 2009 15:08:25 GMT (envelope-from rnoland@svn.freebsd.org)
Received: (from rnoland@localhost)
	by svn.freebsd.org (8.14.3/8.14.3/Submit) id nBDF8PRh089758;
	Sun, 13 Dec 2009 15:08:25 GMT (envelope-from rnoland@svn.freebsd.org)
Message-Id: <200912131508.nBDF8PRh089758@svn.freebsd.org>
From: Robert Noland <rnoland@FreeBSD.org>
Date: Sun, 13 Dec 2009 15:08:25 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org
X-SVN-Group: stable-7
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r200476 - stable/7/sys/dev/drm
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
	user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
	<mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 13 Dec 2009 15:08:26 -0000

Author: rnoland
Date: Sun Dec 13 15:08:25 2009
New Revision: 200476
URL: http://svn.freebsd.org/changeset/base/200476

Log:
  MFC 198332
  
  Check pointer for NULL before dereferencing it, not after.
  
  Originally committed by:	brueffer

Modified:
  stable/7/sys/dev/drm/mach64_state.c
Directory Properties:
  stable/7/sys/   (props changed)
  stable/7/sys/cddl/contrib/opensolaris/   (props changed)
  stable/7/sys/contrib/dev/acpica/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)

Modified: stable/7/sys/dev/drm/mach64_state.c
==============================================================================
--- stable/7/sys/dev/drm/mach64_state.c	Sun Dec 13 15:03:54 2009	(r200475)
+++ stable/7/sys/dev/drm/mach64_state.c	Sun Dec 13 15:08:25 2009	(r200476)
@@ -826,7 +826,7 @@ int mach64_dma_vertex(struct drm_device 
 		      struct drm_file *file_priv)
 {
 	drm_mach64_private_t *dev_priv = dev->dev_private;
-	drm_mach64_sarea_t *sarea_priv = dev_priv->sarea_priv;
+	drm_mach64_sarea_t *sarea_priv;
 	drm_mach64_vertex_t *vertex = data;
 
 	LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -835,6 +835,7 @@ int mach64_dma_vertex(struct drm_device 
 		DRM_ERROR("called with no initialization\n");
 		return -EINVAL;
 	}
+	sarea_priv = dev_priv->sarea_priv;
 
 	DRM_DEBUG("pid=%d buf=%p used=%lu discard=%d\n",
 		  DRM_CURRENTPID,