From: mverweij <marta.verweij@cern.ch>
Date: Fri, 2 May 2014 13:55:57 +0000 (+0200)
Subject: protection
X-Git-Url: http://git.uio.no/git/?p=u%2Fmrichter%2FAliRoot.git;a=commitdiff_plain;h=b89f487940ef57bd71824512544881e2ed5a572e;hp=6a322f03c1d591fe0018eff972aac81a94b6c0b3

protection
---

diff --git a/PWG/EMCAL/AliAnalysisTaskEmcal.cxx b/PWG/EMCAL/AliAnalysisTaskEmcal.cxx
index 09c6c2ea0cf..10f1a97115f 100644
--- a/PWG/EMCAL/AliAnalysisTaskEmcal.cxx
+++ b/PWG/EMCAL/AliAnalysisTaskEmcal.cxx
@@ -353,10 +353,12 @@ Bool_t AliAnalysisTaskEmcal::FillGeneralHistograms()
     fHistEventsAfterSel->SetBinContent(fPtHardBin + 1, fHistEventsAfterSel->GetBinContent(fPtHardBin + 1) + 1);
     fHistTrialsAfterSel->SetBinContent(fPtHardBin + 1, fHistTrialsAfterSel->GetBinContent(fPtHardBin + 1) + fNTrials);
     fHistPtHard->Fill(fPtHard);
-    fXsection = fPythiaHeader->GetXsection();
-    if(fXsection>0.) {
-      fHistXsection->Fill(fPtHardBin+1, fXsection);
-      fHistTrials->Fill(fPtHardBin+1, fPythiaHeader->Trials());
+    if(fPythiaHeader) {
+      fXsection = fPythiaHeader->GetXsection();
+      if(fXsection>0.) {
+	fHistXsection->Fill(fPtHardBin+1, fXsection);
+	fHistTrials->Fill(fPtHardBin+1, fPythiaHeader->Trials());
+      }
     }
   }