From 17cd26225749a1daf7460b44e52f43082399b265 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter@cs.unisa.edu.au>
Date: Wed, 4 Jun 2008 16:05:36 +0930
Subject: [PATCH] dmx: don't dereference a nullpointer.

---
 hw/dmx/dmxcursor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/dmx/dmxcursor.c b/hw/dmx/dmxcursor.c
index 2a596a17b..6218dc39f 100644
--- a/hw/dmx/dmxcursor.c
+++ b/hw/dmx/dmxcursor.c
@@ -733,7 +733,7 @@ static void _dmxSetCursor(ScreenPtr pScreen, CursorPtr pCursor, int x, int y)
 
     if (pCursor) {
 	dmxCursorPrivPtr  pCursorPriv = DMX_GET_CURSOR_PRIV(pCursor, pScreen);
-	if (dmxScreen->curCursor != pCursorPriv->cursor) {
+	if (pCursorPriv && dmxScreen->curCursor != pCursorPriv->cursor) {
 	    if (dmxScreen->beDisplay)
 		XDefineCursor(dmxScreen->beDisplay, dmxScreen->scrnWin,
 			      pCursorPriv->cursor);