Added protection, for missing pileup vertices when reading older data, avoid segfault...

diff --git a/STEER/AliESDEvent.h b/STEER/AliESDEvent.h
index 87e1994b6e0d6c167e5a09868d09e3de3a3d6f8a..20d3c331d0871997854cb7c6bb8faf6e3d6d878c 100644 (file)
--- a/STEER/AliESDEvent.h
+++ b/STEER/AliESDEvent.h
@@ -313,10 +313,10 @@ public:
   void AddEMCALTriggerAmplitudes(TArrayF array){ fEMCALTrigger->AddTriggerAmplitudes(array); }
 
   Int_t GetNumberOfPileupVerticesSPD() const {
-     return fSPDPileupVertices->GetEntriesFast();
+    return (fSPDPileupVertices?fSPDPileupVertices->GetEntriesFast():0);
   }
   Int_t GetNumberOfPileupVerticesTracks() const {
-     return fTrkPileupVertices->GetEntriesFast();
+    return (fTrkPileupVertices?fTrkPileupVertices->GetEntriesFast():0);
   }
   Int_t GetNumberOfTracks()     const {return fTracks->GetEntriesFast();}
   Int_t GetNumberOfHLTConfMapTracks()     const {return 0;}