Added protection in CheckDeadZone

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

diff --git a/ITS/AliITStrackerMI.cxx b/ITS/AliITStrackerMI.cxx
index f1484fb266600665e29d82a99491014ec368831d..520c7cbbcbbd38537290494d7c69e58d0df3dd02 100644 (file)
--- a/ITS/AliITStrackerMI.cxx
+++ b/ITS/AliITStrackerMI.cxx
@@ -4788,6 +4788,7 @@ Int_t AliITStrackerMI::CheckDeadZone(AliITStrackMI *track,
     }
   }
 
+  if(zlocmin>zlocmax)return 0;
   Int_t nChipsInRoad = segm->GetChipsInLocalWindow(chipsInRoad,zlocmin,zlocmax,xlocmin,xlocmax);
   AliDebug(2,Form("lay %d nChipsInRoad %d",ilayer,nChipsInRoad));
   if (!nChipsInRoad) return 0;