coverity

diff --git a/PWG1/T0/AliT0AnalysisTaskQA.cxx b/PWG1/T0/AliT0AnalysisTaskQA.cxx
index 16955b27cbe7be9ce3adc673a12b5201b3c10df0..3e2839f6197d0a5e3bc07d90a659f53e15e1af0e 100644 (file)
--- a/PWG1/T0/AliT0AnalysisTaskQA.cxx
+++ b/PWG1/T0/AliT0AnalysisTaskQA.cxx
@@ -172,16 +172,18 @@ void AliT0AnalysisTaskQA::UserExec(Option_t *)
   Double32_t esdzvertex;
   const AliESDVertex * esdvertex = fESD->GetPrimaryVertex();
   Int_t nofcontrib=-1;
-  nofcontrib=esdvertex->GetNContributors();
-  if(nofcontrib>0)    ftracksEffSPD->Fill(ntracks);
-   if(esdvertex && t0vertex<999)
-    {
-      if(nofcontrib>0)
-       {
-         esdzvertex=esdvertex->GetZv();
-         fSPDVertexVST0Vertex->Fill(t0vertex,esdzvertex);
-       }
-    }
+  if(esdvertex) {
+    nofcontrib=esdvertex->GetNContributors();
+    if(nofcontrib>0)    ftracksEffSPD->Fill(ntracks);
+    if(esdvertex && t0vertex<999)
+      {
+       if(nofcontrib>0)
+         {
+           esdzvertex=esdvertex->GetZv();
+           fSPDVertexVST0Vertex->Fill(t0vertex,esdzvertex);
+         }
+      }
+  }
   PostData(1, fTzeroObject);
 }      
  //________________________________________________________________________