[Bf-blender-cvs] [979fe4f1be7] master: Fix T82753: Crash using add-object tool when gizmos are disabled

[Campbell Barton]

Commit: 979fe4f1be7d6fe65e52b3ab805ab061a92d1f03
Author: Campbell Barton
Date:   Mon Nov 16 18:23:17 2020 +1100
Branches: master
https://developer.blender.org/rB979fe4f1be7d6fe65e52b3ab805ab061a92d1f03

Fix T82753: Crash using add-object tool when gizmos are disabled

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M	source/blender/editors/space_view3d/view3d_placement.c

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diff --git a/source/blender/editors/space_view3d/view3d_placement.c b/source/blender/editors/space_view3d/view3d_placement.c
index 7c499cb645b..1b47b8365f1 100644
--- a/source/blender/editors/space_view3d/view3d_placement.c
+++ b/source/blender/editors/space_view3d/view3d_placement.c
@@ -763,7 +763,10 @@ static void view3d_interactive_add_begin(bContext *C, wmOperator *op, const wmEv
         ipd->snap_gizmo = gzgroup->gizmos.first;
       }
 
-      preview_plane_cursor_visible_set(gzgroup, false);
+      /* Can be NULL when gizmos are disabled. */
+      if (gzgroup->customdata != NULL) {
+        preview_plane_cursor_visible_set(gzgroup, false);
+      }
     }
   }