Coverity fix

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

diff --git a/ITS/AliITSOnlineSDDCMN.cxx b/ITS/AliITSOnlineSDDCMN.cxx
index 81de509d57bd723d3d02ae84b81a845491d04787..eefaa879c981a868bbd2584fcbf71fa23f3dc181 100644 (file)
--- a/ITS/AliITSOnlineSDDCMN.cxx
+++ b/ITS/AliITSOnlineSDDCMN.cxx
@@ -109,7 +109,7 @@ void  AliITSOnlineSDDCMN::ValidateAnodes(){
 }
 
 //______________________________________________________________________
-TH2F* AliITSOnlineSDDCMN::GetCleanEvent(TH2F* hrawd) const {
+TH2F* AliITSOnlineSDDCMN::GetCleanEvent(const TH2F* hrawd) const {
   // Fills an histogram with counts corrected for common mode noise
 
   TH2F* hcorrd=new TH2F("hcorrd","",hrawd->GetNbinsX(),hrawd->GetXaxis()->GetXmin(),hrawd->GetXaxis()->GetXmax(),hrawd->GetNbinsY(),hrawd->GetYaxis()->GetXmin(),hrawd->GetYaxis()->GetXmax());
@@ -153,7 +153,7 @@ void AliITSOnlineSDDCMN::AddEvent(TH2F* hrawd){
       sumQ+=cntdiff*cntdiff;
       cnt++;    
     }
-    fSumCorrNoise[ian]+=TMath::Sqrt(sumQ/(Float_t)cnt);
+    if(cnt != 0)fSumCorrNoise[ian]+=TMath::Sqrt(sumQ/(Float_t)cnt);
   }
   delete hcorrd;
 }