From 100afae578e59e31b65a6264c281ba7deea5ac39 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Tue, 24 Jun 2008 10:52:31 -0400
Subject: [PATCH] Bug #15586: (Correctly) refuse to redirect the root window.

---
 composite/compalloc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/composite/compalloc.c b/composite/compalloc.c
index 0372b9bfa..19c7db0b3 100644
--- a/composite/compalloc.c
+++ b/composite/compalloc.c
@@ -82,6 +82,9 @@ compRedirectWindow (ClientPtr pClient, WindowPtr pWin, int update)
 	return Success;
     }
 
+    if (!pWin->parent)
+	return BadMatch;
+
     /*
      * Only one Manual update is allowed
      */