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Add protcection that tracks exist
authorslindal <slindal@f7af4fe6-9843-0410-8265-dc069ae4e863>
Tue, 1 Feb 2011 15:43:50 +0000 (15:43 +0000)
committerslindal <slindal@f7af4fe6-9843-0410-8265-dc069ae4e863>
Tue, 1 Feb 2011 15:43:50 +0000 (15:43 +0000)
PWG4/GammaConv/AliAnalysisTaskGCPartToPWG4Part.cxx patch | blob | blame | history

diff --git a/PWG4/GammaConv/AliAnalysisTaskGCPartToPWG4Part.cxx b/PWG4/GammaConv/AliAnalysisTaskGCPartToPWG4Part.cxx
index 1f8d589e7c67a06fc054dc824f099683238ada78..ea1ef39c79b4d5dbc99e44693d2f6e02963d5543 100644 (file)
--- a/PWG4/GammaConv/AliAnalysisTaskGCPartToPWG4Part.cxx
+++ b/PWG4/GammaConv/AliAnalysisTaskGCPartToPWG4Part.cxx
@@ -178,7 +178,7 @@ Int_t AliAnalysisTaskGCPartToPWG4Part::CheckTag(AliAODPWG4ParticleCorrelation *
   }
 
 
-   
+  if(!track1 || !track2) return tag;
   if(track1->GetLabel() < 0 || track2->GetLabel() < 0) {
     //cout << "error balla"<< endl;