cleanup

[u/mrichter/AliRoot.git] / ITS / AliITSOnlineSDDBase.cxx

diff --git a/ITS/AliITSOnlineSDDBase.cxx b/ITS/AliITSOnlineSDDBase.cxx
index 4dfdf52c4213fae6c0ffde2694bc45efac80e0a0..15d619da88980d472529b5608be21fbe89584523 100644 (file)
--- a/ITS/AliITSOnlineSDDBase.cxx
+++ b/ITS/AliITSOnlineSDDBase.cxx
@@ -104,8 +104,10 @@ void AliITSOnlineSDDBase::AddEvent(TH2F* hrawd){
       sumQ+=cbin*cbin;
       cnt++;
     }
-    sum[ian]/=(Float_t)cnt;
-    sumQ/=(Float_t)cnt;
+    if(cnt != 0){
+      sum[ian]/=(Float_t)cnt;
+      sumQ/=(Float_t)cnt;
+    }
     fSumBaseline[ian]+=sum[ian];
     fSumRawNoise[ian]+=sumQ;
   }