From a9ae3002a01b4c60d8830c3b0723aa91a1249000 Mon Sep 17 00:00:00 2001
From: dmv <dmv@opencascade.com>
Date: Fri, 2 Apr 2010 07:33:37 +0000
Subject: [PATCH] IPAL21657 Suppress Faces - attempt to access to null object

---
 src/GEOMImpl/GEOMImpl_HealingDriver.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/GEOMImpl/GEOMImpl_HealingDriver.cxx b/src/GEOMImpl/GEOMImpl_HealingDriver.cxx
index 6dd8160f6..c4876744a 100644
--- a/src/GEOMImpl/GEOMImpl_HealingDriver.cxx
+++ b/src/GEOMImpl/GEOMImpl_HealingDriver.cxx
@@ -226,7 +226,8 @@ void SuppressFacesRec (const TopTools_SequenceOfShape& theShapesFaces,
         if (isFound) {
           TopoDS_Shape anOutSh_i;
           SuppressFacesRec(theShapesFaces, aShape_i, anOutSh_i);
-          BB.Add(CC, anOutSh_i);
+          if ( !anOutSh_i.IsNull() )
+            BB.Add(CC, anOutSh_i);
         }
         else {
           // nothing to do
-- 
2.39.2