Adding TDC histos

[u/mrichter/AliRoot.git] / HLT / TPCLib / AliHLTTPCGlobalMergerComponent.cxx

diff --git a/HLT/TPCLib/AliHLTTPCGlobalMergerComponent.cxx b/HLT/TPCLib/AliHLTTPCGlobalMergerComponent.cxx
index 9009af30c724482d4364b85b246681447dc870ef..db322e267f14524a2cfbc45871b61817ca4c0bb2 100644 (file)
--- a/HLT/TPCLib/AliHLTTPCGlobalMergerComponent.cxx
+++ b/HLT/TPCLib/AliHLTTPCGlobalMergerComponent.cxx
@@ -136,6 +136,9 @@ int AliHLTTPCGlobalMergerComponent::DoEvent( const AliHLTComponentEventData& evt
   int iResult=0;
   AliHLTUInt32_t capacity=size;
   size=0;
+
+  if (!IsDataEvent()) return 0;
+
   const AliHLTComponentBlockData* iter = NULL;
   const AliHLTComponentBlockData* lastVertexBlock = NULL;
   unsigned long ndx;