From 7442cd94f51f2825495fa3d311b100a49b3a62a4 Mon Sep 17 00:00:00 2001
From: Michael Friedrich <michael.friedrich@netways.de>
Date: Fri, 22 Apr 2016 11:00:21 +0200
Subject: [PATCH] Fix crash with empty ScheduledDowntime 'ranges' attribute

fixes #11158
---
 lib/icinga/scheduleddowntime.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/icinga/scheduleddowntime.cpp b/lib/icinga/scheduleddowntime.cpp
index c67bb10b3..4c03f45c9 100644
--- a/lib/icinga/scheduleddowntime.cpp
+++ b/lib/icinga/scheduleddowntime.cpp
@@ -131,6 +131,9 @@ std::pair<double, double> ScheduledDowntime::FindNextSegment(void)
 
 	Dictionary::Ptr ranges = GetRanges();
 
+	if (!ranges)
+		return std::make_pair(0, 0);
+
 	Array::Ptr segments = new Array();
 
 	Dictionary::Ptr bestSegment;