[Bf-blender-cvs] [d962ca73877] outliner-cpp-refactor: Fix possible null-pointer dereference in new Outliner tree building code

[Julian Eisel]

Commit: d962ca738779788869eee756343f27a6f8f7f7e5
Author: Julian Eisel
Date:   Sat Nov 7 01:23:36 2020 +0100
Branches: outliner-cpp-refactor
https://developer.blender.org/rBd962ca738779788869eee756343f27a6f8f7f7e5

Fix possible null-pointer dereference in new Outliner tree building code

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

M	source/blender/editors/space_outliner/outliner_tree.c

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

diff --git a/source/blender/editors/space_outliner/outliner_tree.c b/source/blender/editors/space_outliner/outliner_tree.c
index 4654377e7e5..991d831d6e0 100644
--- a/source/blender/editors/space_outliner/outliner_tree.c
+++ b/source/blender/editors/space_outliner/outliner_tree.c
@@ -2322,9 +2322,11 @@ void outliner_build_tree(Main *mainvar,
 
   space_outliner->runtime->tree_view = outliner_tree_view_create(space_outliner->outlinevis,
                                                                  space_outliner);
-  TreeSourceData source_data = {.bmain = mainvar, .scene = scene, .view_layer = view_layer};
-  space_outliner->tree = outliner_tree_view_build_tree(space_outliner->runtime->tree_view,
-                                                       &source_data);
+  if (space_outliner->runtime->tree_view) {
+    TreeSourceData source_data = {.bmain = mainvar, .scene = scene, .view_layer = view_layer};
+    space_outliner->tree = outliner_tree_view_build_tree(space_outliner->runtime->tree_view,
+                                                         &source_data);
+  }
 
   if (!BLI_listbase_is_empty(&space_outliner->tree)) {
     /* Skip. */