From 58b4ccc1c5a9c7a7b3f9c1a2f8d18e71c9ca5794 Mon Sep 17 00:00:00 2001
From: Karol Krizka <kkrizka@gmail.com>
Date: Thu, 30 Jun 2022 15:23:51 -0700
Subject: [PATCH] Add missing variable.

---
 src/cpp/src/SIO/SIOTrackHandler.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/cpp/src/SIO/SIOTrackHandler.cc b/src/cpp/src/SIO/SIOTrackHandler.cc
index 45795f992..aa506c7c9 100644
--- a/src/cpp/src/SIO/SIOTrackHandler.cc
+++ b/src/cpp/src/SIO/SIOTrackHandler.cc
@@ -58,6 +58,8 @@ namespace SIO {
     for( int i=0 ; i<nHitNumbers ; i++ ) {
       SIO_DATA( device , &(trk->_subdetectorHitNumbers[i] ), 1 ) ;
     }
+    int nHoleNumbers ;
+    SIO_DATA( device, &nHoleNumbers , 1  ) ;
     trk->subdetectorHoleNumbers().resize( nHoleNumbers ) ;
     for( int i=0 ; i<nHoleNumbers ; i++ ) {
       SIO_DATA( device , &(trk->_subdetectorHoleNumbers[i] ), 1 ) ;