From 3efbc0c5c850d0cb5c5af5bcabbc7293670ea355 Mon Sep 17 00:00:00 2001
From: Benjamin Otte <otte@redhat.com>
Date: Tue, 20 Apr 2010 21:58:59 +0200
Subject: [PATCH] gl: Only unref a surface if it exists

Note: This will likely work for NULL clones, but I prefer not
dereferencing NULLs. That gives people a wrong understanding of the code
(i.e. me).
---
 src/cairo-gl-surface.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/cairo-gl-surface.c b/src/cairo-gl-surface.c
index 1f6fd9ba9..24a5142f8 100644
--- a/src/cairo-gl-surface.c
+++ b/src/cairo-gl-surface.c
@@ -881,7 +881,8 @@ fail:
 
     _cairo_gl_context_release (ctx);
 
-    cairo_surface_destroy (&clone->base);
+    if (clone)
+        cairo_surface_destroy (&clone->base);
 
     return CAIRO_STATUS_SUCCESS;
 }