From: hristov <hristov@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Sat, 15 May 2004 00:30:39 +0000 (+0000)
Subject: Corrections to avoid reading outside clusters array
X-Git-Url: http://git.uio.no/git/?p=u%2Fmrichter%2FAliRoot.git;a=commitdiff_plain;h=3da363a1398f2e06a276de3ae6b2c390bf537271;hp=b63a407ca6d523f94a5c0fac5fe39c88bc6676e4

Corrections to avoid reading outside clusters array
---

diff --git a/TPC/AliTPCtrackerMI.cxx b/TPC/AliTPCtrackerMI.cxx
index cb1bdb05a49..63f31594422 100644
--- a/TPC/AliTPCtrackerMI.cxx
+++ b/TPC/AliTPCtrackerMI.cxx
@@ -1414,23 +1414,34 @@ AliTPCclusterMI *AliTPCtrackerMI::GetClusterMI(Int_t index) const {
 
   const AliTPCRow * tpcrow=0;
   AliTPCclusterMI * clrow =0;
+
   if (sec<fkNIS*2){
     tpcrow = &(fInnerSec[sec%fkNIS][row]);
-    if (sec<fkNIS) 
+    if (tpcrow==0) return 0;
+
+    if (sec<fkNIS) {
+      if (tpcrow->fN1<=ncl) return 0;
       clrow = tpcrow->fClusters1;
-    else
+    }
+    else {
+      if (tpcrow->fN2<=ncl) return 0;
       clrow = tpcrow->fClusters2;
+    }
   }
-  else{
+  else {
     tpcrow = &(fOuterSec[(sec-fkNIS*2)%fkNOS][row]);
-    if (sec-2*fkNIS<fkNOS)
+    if (tpcrow==0) return 0;
+
+    if (sec-2*fkNIS<fkNOS) {
+      if (tpcrow->fN1<=ncl) return 0;
       clrow = tpcrow->fClusters1;
-    else
+    }
+    else {
+      if (tpcrow->fN2<=ncl) return 0;
       clrow = tpcrow->fClusters2;
+    }
   }
-  if (tpcrow==0) return 0;
-  if (tpcrow->GetN()<=ncl) return 0;
-  //  return (AliTPCclusterMI*)(*tpcrow)[ncl];      
+
   return &(clrow[ncl]);      
   
 }