From dc627718d77b0e853311e480bba90eddefd0b891 Mon Sep 17 00:00:00 2001
From: Bryce Harrington <bryce@bryceharrington.org>
Date: Wed, 2 Sep 2009 01:46:50 -0700
Subject: [PATCH] Check output pointer validity for --sale and --transform

Signed-off-by: Bryce Harrington <bryce@bryceharrington.org>
---
 xrandr.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

Index: x11-xserver-utils-7.4+2ubuntu2/xrandr/xrandr.c
===================================================================
--- x11-xserver-utils-7.4+2ubuntu2.orig/xrandr/xrandr.c	2009-09-17 15:45:26.000000000 -0400
+++ x11-xserver-utils-7.4+2ubuntu2/xrandr/xrandr.c	2009-09-17 15:45:46.000000000 -0400
@@ -2327,6 +2327,7 @@
 	{
 	    double  sx, sy;
 	    if (++i>=argc) usage();
+            if (!output) usage();
 	    if (sscanf (argv[i], "%lfx%lf", &sx, &sy) != 2)
 		usage ();
 	    init_transform (&output->transform);
@@ -2346,6 +2347,7 @@
 	    double  transform[3][3];
 	    int	    k, l;
 	    if (++i>=argc) usage ();
+            if (!output) usage();
 	    init_transform (&output->transform);
 	    if (strcmp (argv[i], "none") != 0)
 	    {