From 5f49bda5917f4a0a0bc966d83fc49e41ac0ca772 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20M=C3=BCllner?= <fmuellner@gnome.org>
Date: Wed, 7 Jun 2017 14:12:39 +0200
Subject: [PATCH] window: Include window itself in transient loop check

While it doesn't make sense to set a window as transient to
itself, our existing check whether making a window transient
doesn't cover it, so it's still possible to create an infinite
loop.

https://bugzilla.gnome.org/show_bug.cgi?id=783502
---
 src/core/window.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/window.c b/src/core/window.c
index 36ea96f40..a6ec04fce 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -7508,7 +7508,7 @@ check_transient_for_loop (MetaWindow *window,
 {
   while (parent)
     {
-      if (parent->transient_for == window)
+      if (parent == window)
           return TRUE;
       parent = parent->transient_for;
     }