[Bf-blender-cvs] [80d193c51b4] blender-v3.2-release: Fix T100040: Crash when transform applied on multi-user image

[Pratik Borhade]

Commit: 80d193c51b460cff302ffff66efb4530bef6b6fd
Author: Pratik Borhade
Date:   Mon Aug 1 17:07:56 2022 +0200
Branches: blender-v3.2-release
https://developer.blender.org/rB80d193c51b460cff302ffff66efb4530bef6b6fd

Fix T100040: Crash when transform applied on multi-user image

Affected by rB8621fdb10dc4
Crash if single-user data is created when we apply transform
on multi-user image data. Crash occurs because creation of new copy
was not handled in `single_obdata_users` for empty objects (image for example)

Reviewed By: dfelinto, mont29

Maniphest Tasks: T100040

Differential Revision: https://developer.blender.org/D15587

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

M	source/blender/editors/object/object_relations.c

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

diff --git a/source/blender/editors/object/object_relations.c b/source/blender/editors/object/object_relations.c
index 111f3b6bf92..7df9f084640 100644
--- a/source/blender/editors/object/object_relations.c
+++ b/source/blender/editors/object/object_relations.c
@@ -1822,6 +1822,11 @@ static void single_obdata_users(
         DEG_id_tag_update(&ob->id, ID_RECALC_GEOMETRY);
 
         switch (ob->type) {
+          case OB_EMPTY:
+            ob->data = ID_NEW_SET(
+                ob->data,
+                BKE_id_copy_ex(bmain, ob->data, NULL, LIB_ID_COPY_DEFAULT | LIB_ID_COPY_ACTIONS));
+            break;
           case OB_LAMP:
             ob->data = la = ID_NEW_SET(
                 ob->data,