Make sure the check latency can't be negative.

diff --git a/lib/icinga/service-check.cpp b/lib/icinga/service-check.cpp
index 0f4a172dfe8fa1ad6374864c08b6a131d4dc4597..2db17516920b68106cad67d9e11c4937ff6c9e18 100644 (file)
--- a/lib/icinga/service-check.cpp
+++ b/lib/icinga/service-check.cpp
@@ -837,5 +837,10 @@ double Service::CalculateLatency(const Dictionary::Ptr& cr)
                schedule_end = cr->Get("schedule_end");
        }
 
-       return (schedule_end - schedule_start) - CalculateExecutionTime(cr);
+       double latency = (schedule_end - schedule_start) - CalculateExecutionTime(cr);
+
+       if (latency < 0)
+               latency = 0;
+
+       return latency;
 }