protection added

[u/mrichter/AliRoot.git] / ANALYSIS / AliCentralitySelectionTask.cxx

diff --git a/ANALYSIS/AliCentralitySelectionTask.cxx b/ANALYSIS/AliCentralitySelectionTask.cxx
index 8f9de8990490e692fc2367c13c2ab5f193f09d2c..5ed0f71f40791270aa49a882b88cff37841763db 100644 (file)
--- a/ANALYSIS/AliCentralitySelectionTask.cxx
+++ b/ANALYSIS/AliCentralitySelectionTask.cxx
@@ -1278,15 +1278,16 @@ void AliCentralitySelectionTask::UserExec(Option_t */*option*/)
   // Equalized signals
   multV0AEq=0.;
   multV0CEq=0.;
-  for(Int_t iCh = 4; iCh < 7; ++iCh) {
-    Double_t mult = esd->GetVZEROEqMultiplicity(iCh);
-    multV0AEq += mult;
-  }
-  for(Int_t iCh = 0; iCh < 3; ++iCh) {
-    Double_t mult = esd->GetVZEROEqMultiplicity(iCh);
-    multV0CEq += mult;
+  if (esd) { // only for ESD?
+    for(Int_t iCh = 4; iCh < 7; ++iCh) {
+      Double_t mult = esd->GetVZEROEqMultiplicity(iCh);
+      multV0AEq += mult;
+    }
+    for(Int_t iCh = 0; iCh < 3; ++iCh) {
+      Double_t mult = esd->GetVZEROEqMultiplicity(iCh);
+      multV0CEq += mult;
+    }
   }
-
   Bool_t kT0BB = kFALSE;    
   if (esd) {
     // ***** T0 info