Fix nullptr deref in Service::GetLastCheckPerfData().

diff --git a/lib/icinga/service-check.cpp b/lib/icinga/service-check.cpp
index f6ea3092f015ebb004136e26a23ef2d44f76de57..57e805bf09e7d0e16f66a7387fe4859305c7f71b 100644 (file)
--- a/lib/icinga/service-check.cpp
+++ b/lib/icinga/service-check.cpp
@@ -301,9 +301,13 @@ String Service::GetLastCheckLongOutput(void) const
 String Service::GetLastCheckPerfData(void) const
 {
        Dictionary::Ptr cr = GetLastCheckResult();
-       String perfdata = cr->Get("performance_data_raw");
+       String perfdata;
 
-       boost::algorithm::replace_all(perfdata, "\n", "\\n");
+       if (cr) {
+               perfdata = cr->Get("performance_data_raw");
+
+               boost::algorithm::replace_all(perfdata, "\n", "\\n");
+       }
 
        return perfdata;
 }