From ebb74a59e288b873598c8aa4eafe9fdc58017c11 Mon Sep 17 00:00:00 2001
From: jklein <jochen.klein@cern.ch>
Date: Wed, 25 Jun 2014 21:25:23 +0200
Subject: [PATCH] ALIROOT-5502 Porting request for 7bee211: add protection
 against invalid sector/stack information in on-line track matching
 ALIROOT-5495

---
 TRD/AliTRDonlineTrackMatching.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/TRD/AliTRDonlineTrackMatching.cxx b/TRD/AliTRDonlineTrackMatching.cxx
index 91ed2784c8f..dc63462faf6 100644
--- a/TRD/AliTRDonlineTrackMatching.cxx
+++ b/TRD/AliTRDonlineTrackMatching.cxx
@@ -481,6 +481,10 @@ Bool_t AliTRDonlineTrackMatching::ProcessEvent(AliESDEvent *esdEvent, Bool_t upd
 	(trdTrack->GetLabel() != label))
       continue;
 
+    if ((trdTrack->GetSector() < 0) || (trdTrack->GetSector() > 17) ||
+	(trdTrack->GetStack() < 0) || (trdTrack->GetStack() > 4))
+      continue;
+
     stack = TrdSecSiLsi(trdTrack->GetSector(), trdTrack->GetStack());
     trdPt = (esdEvent->GetMagneticField() > 0.) ? (-1.*trdTrack->Pt()) : trdTrack->Pt();
     matchTrack = NULL;