From 3144a1b330e710b88e1a09e8550b6835135d1e29 Mon Sep 17 00:00:00 2001
From: Fabrizio Grosa <fabrizio.grosa@cern.ch>
Date: Wed, 10 May 2023 14:59:17 +0200
Subject: [PATCH] Adapt road to work with its3 with 4 layers

---
 Detectors/ITSMFT/ITS/tracking/include/ITStracking/Road.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Detectors/ITSMFT/ITS/tracking/include/ITStracking/Road.h b/Detectors/ITSMFT/ITS/tracking/include/ITStracking/Road.h
index 6ffc82c637334..40258c5ddcd15 100644
--- a/Detectors/ITSMFT/ITS/tracking/include/ITStracking/Road.h
+++ b/Detectors/ITSMFT/ITS/tracking/include/ITStracking/Road.h
@@ -44,9 +44,15 @@ class Road final
 
   GPUhd() void resetRoad()
   {
+#ifndef ENABLE_ITS3_4L
     for (int i = 0; i < maxRoadSize; i++) {
       mCellIds[i] = constants::its::UnusedIndex;
     }
+#else
+    for (int i = 0; i < maxRoadSize + 1; i++) {
+      mCellIds[i] = constants::its::UnusedIndex;
+    }
+#endif
     mRoadSize = 0;
   }