From 9d36dbd9cac635cd3bfe7c6c5ca117478a703488 Mon Sep 17 00:00:00 2001
From: Sean Davis <smd.seandavis@gmail.com>
Date: Tue, 20 Feb 2018 05:12:05 -0500
Subject: [PATCH] Fix the loop bug for good

---
 src/greeterbackground.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/greeterbackground.c b/src/greeterbackground.c
index 854edd33..663c8596 100644
--- a/src/greeterbackground.c
+++ b/src/greeterbackground.c
@@ -741,11 +741,14 @@ greeter_background_set_active_monitor(GreeterBackground* background,
      * timestamp at this precision (1/10th of a second), this should no longer be
      * possible.
      */
-    if (!active)
+    if (active != NULL)
     {
         timestamp = floor(g_get_monotonic_time () * 0.00001);
         if (timestamp == priv->active_monitor_change_last_timestamp)
+        {
+            g_debug("[Background] Preventing infinite monitor loop");
             return;
+        }
     }
 
     priv->active_monitor_change_in_progress = TRUE;