From 2a75c774975b50dd4e71b7dbea7bd65ca2984a43 Mon Sep 17 00:00:00 2001
From: Dodji Seketeli <dodji@seketeli.org>
Date: Tue, 3 Jul 2007 11:00:29 +0200
Subject: [PATCH] ExaOffscreenMarkUsed: Don't crash when there's no offscreen
 memory.

---
 exa/exa_offscreen.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/exa/exa_offscreen.c b/exa/exa_offscreen.c
index 6fe646a88..c666b001b 100644
--- a/exa/exa_offscreen.c
+++ b/exa/exa_offscreen.c
@@ -429,7 +429,7 @@ ExaOffscreenMarkUsed (PixmapPtr pPixmap)
     ExaScreenPriv (pPixmap->drawable.pScreen);
     static int iter = 0;
 
-    if (!pExaPixmap->area)
+    if (!pExaPixmap || !pExaPixmap->area)
 	return;
 
     /* The numbers here are arbitrary.  We may want to tune these. */