From a097bafd287ae3ee5ed3677a83b31d8d9d225a0c Mon Sep 17 00:00:00 2001
From: Vladimir Vukicevic <vladimir@pobox.com>
Date: Sun, 10 Aug 2008 05:05:27 -0700
Subject: [PATCH] [dfb] correctly handle case of 0 boxes in clip region

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

diff --git a/src/cairo-directfb-surface.c b/src/cairo-directfb-surface.c
index 279aef74a..c20dc83ab 100644
--- a/src/cairo-directfb-surface.c
+++ b/src/cairo-directfb-surface.c
@@ -1442,6 +1442,8 @@ _cairo_directfb_surface_set_clip_region (void           *abstract_surface,
         int              i;
 
         status = _cairo_region_get_boxes (region, &n_boxes, &boxes);
+        if (n_boxes == 0)
+            return CAIRO_STATUS_SUCCESS;
         if (status)
             return status;