Check also in case the FirstEventEntry is negative

jmcarcell · Sep 8, 2024 · 48cf053 · 48cf053
1 parent 29e3307
commit 48cf053
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/k4FWCore/components/IOSvc.cpp b/k4FWCore/components/IOSvc.cpp
@@ -61,8 +61,8 @@ StatusCode IOSvc::initialize() {
     m_entries = m_reader->getEntries(podio::Category::Event);
   }
 
-  if (m_entries && m_firstEventEntry >= m_entries) {
-    error() << "First event entry is larger than the number of entries in the file" << endmsg;
+  if ((m_entries && m_firstEventEntry >= m_entries) || m_firstEventEntry < 0) {
+    error() << "First event entry is larger than the number of entries in the file or negative" << endmsg;
     return StatusCode::FAILURE;
   }