From cd2f50e6c421d35c3d5b0d76ed0fdd03a033b2c2 Mon Sep 17 00:00:00 2001
From: Michael Emmel <memmel@debian.localdomain>
Date: Thu, 20 Jul 2006 23:01:06 -0700
Subject: [PATCH] Check for zero before freeing region

---
 src/cairo-directfb-surface.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/cairo-directfb-surface.c b/src/cairo-directfb-surface.c
index d18f625b0..b8d15abf2 100644
--- a/src/cairo-directfb-surface.c
+++ b/src/cairo-directfb-surface.c
@@ -1106,7 +1106,8 @@ _cairo_directfb_surface_set_clip_region (void              *abstract_surface,
         int             i;
         
         if (surface->n_clips != n_boxes) {
-            free (surface->clips);
+            if( surface->clips )
+                free (surface->clips);
             
             surface->clips = malloc (n_boxes * sizeof(DFBRegion));
             if (!surface->clips) {