From e84e862fc13893e9200463d6e1f4569aa39a7567 Mon Sep 17 00:00:00 2001
From: dpasukhi <dpasukhi@opencascade.com>
Date: Wed, 10 May 2023 19:26:55 +0100
Subject: [PATCH] 0033377: Data Exchange - STEPCAFControl_Reader crash in OCC
 7.7.0

Added checking for null object for STEPCAFControl_Reader::SettleShapeData
---
 src/STEPCAFControl/STEPCAFControl_Reader.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/STEPCAFControl/STEPCAFControl_Reader.cxx b/src/STEPCAFControl/STEPCAFControl_Reader.cxx
index cae2a1bf28..7395804d8f 100644
--- a/src/STEPCAFControl/STEPCAFControl_Reader.cxx
+++ b/src/STEPCAFControl/STEPCAFControl_Reader.cxx
@@ -4657,6 +4657,8 @@ TDF_Label STEPCAFControl_Reader::SettleShapeData(const Handle(StepRepr_Represent
   const Handle(Transfer_TransientProcess)& TP) const
 {
   TDF_Label aResult = theLab;
+  if (theItem.IsNull())
+    return aResult;
 
   Handle(TCollection_HAsciiString) hName = theItem->Name();
   if (hName.IsNull() || hName->IsEmpty())