From 59463c2213b79a553d3d7999bb56106fb7c5a4ad Mon Sep 17 00:00:00 2001
From: Emmanuele Bassi <ebassi@linux.intel.com>
Date: Wed, 10 Feb 2010 17:20:31 +0000
Subject: [PATCH] Do a sanity check on _clutter_do_pick() arguments

We should check that the passed ClutterStage pointer is indeed: a) still
valid and b) a Stage.
---
 clutter/clutter-main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/clutter/clutter-main.c b/clutter/clutter-main.c
index f48384909..9cb4fd066 100644
--- a/clutter/clutter-main.c
+++ b/clutter/clutter-main.c
@@ -572,6 +572,7 @@ _clutter_do_pick (ClutterStage   *stage,
                         "The time spent issuing a read pixels",
                         0 /* no application private data */);
 
+  g_return_val_if_fail (CLUTTER_IS_STAGE (stage), NULL);
 
   if (clutter_debug_flags & CLUTTER_DEBUG_NOP_PICKING)
     return CLUTTER_ACTOR (stage);