fixing backward incompatible operator=, check for existence of fEventPlaneP

diff --git a/STEER/AliAODHeader.cxx b/STEER/AliAODHeader.cxx
index 4a2c56a2bac7d4a93f795c9eb95ce94ce5c12bdd..274a3269ab0160de474f0db6d063b1ec3f398d6c 100644 (file)
--- a/STEER/AliAODHeader.cxx
+++ b/STEER/AliAODHeader.cxx
@@ -308,7 +308,11 @@ AliAODHeader& AliAODHeader::operator=(const AliAODHeader& hdr)
     fL0TriggerInputs    = hdr.fL0TriggerInputs;
     fL1TriggerInputs    = hdr.fL1TriggerInputs;
     fL2TriggerInputs    = hdr.fL2TriggerInputs;
-    fEventplaneP        = new AliEventplane(*hdr.fEventplaneP);
+
+    if(hdr.fEventplaneP){
+      if(fEventplaneP)*fEventplaneP = *hdr.fEventplaneP;
+      else fEventplaneP = new AliEventplane(*hdr.fEventplaneP);
+    }
 
     if(hdr.fCentralityP){
       if(fCentralityP)*fCentralityP = *hdr.fCentralityP;