23620: EDF 10301 - Completing Extrusion along a path

[modules/smesh.git] / src / SMDS / SMDS_MeshCell.cxx

diff --git a/src/SMDS/SMDS_MeshCell.cxx b/src/SMDS/SMDS_MeshCell.cxx
index 25c2f367a4d7c58b4e798778d8d40789666c79c5..9b3635f14fef98e840c61e5430627e0a551ff86e 100644 (file)
--- a/src/SMDS/SMDS_MeshCell.cxx
+++ b/src/SMDS/SMDS_MeshCell.cxx
@@ -639,6 +639,9 @@ const SMDS_MeshNode* SMDS_MeshCell::GetNode(const int ind) const
 
 int SMDS_MeshCell::GetNodeIndex( const SMDS_MeshNode* node ) const
 {
+  if ( !node || node->IsNull() )
+    return -1;
+
   if ( GetVtkType() == VTK_POLYHEDRON )
     return static_cast< const SMDS_MeshVolume* >( this )->SMDS_MeshVolume::GetNodeIndex( node );