[Bf-blender-cvs] [e746999aa93] master: Fix T101309: crash when executing geometry nodes without logger

[Jacques Lucke]

Commit: e746999aa937f6de638a339d52e1f2e494014919
Author: Jacques Lucke
Date:   Sun Sep 25 23:07:21 2022 +0200
Branches: master
https://developer.blender.org/rBe746999aa937f6de638a339d52e1f2e494014919

Fix T101309: crash when executing geometry nodes without logger

===================================================================

M	source/blender/nodes/intern/geometry_nodes_lazy_function.cc

===================================================================

diff --git a/source/blender/nodes/intern/geometry_nodes_lazy_function.cc b/source/blender/nodes/intern/geometry_nodes_lazy_function.cc
index 55697478989..7a78547b10b 100644
--- a/source/blender/nodes/intern/geometry_nodes_lazy_function.cc
+++ b/source/blender/nodes/intern/geometry_nodes_lazy_function.cc
@@ -535,6 +535,12 @@ class LazyFunctionForViewerNode : public LazyFunction {
   {
     GeoNodesLFUserData *user_data = dynamic_cast<GeoNodesLFUserData *>(context.user_data);
     BLI_assert(user_data != nullptr);
+    if (user_data->modifier_data == nullptr) {
+      return;
+    }
+    if (user_data->modifier_data->eval_log == nullptr) {
+      return;
+    }
 
     GeometrySet geometry = params.extract_input<GeometrySet>(0);