[Bf-blender-cvs] [0778a469f54] temp-lineart-contained: LineArt: Take care of empty duplicollection.

[YimingWu]

Commit: 0778a469f543511c7c83bb9a0d8597644691eb5f
Author: YimingWu
Date:   Fri Jun 11 17:54:14 2021 +0800
Branches: temp-lineart-contained
https://developer.blender.org/rB0778a469f543511c7c83bb9a0d8597644691eb5f

LineArt: Take care of empty duplicollection.

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

M	source/blender/gpencil_modifiers/intern/MOD_gpencillineart.c

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

diff --git a/source/blender/gpencil_modifiers/intern/MOD_gpencillineart.c b/source/blender/gpencil_modifiers/intern/MOD_gpencillineart.c
index b68246474af..9141ea56dd1 100644
--- a/source/blender/gpencil_modifiers/intern/MOD_gpencillineart.c
+++ b/source/blender/gpencil_modifiers/intern/MOD_gpencillineart.c
@@ -222,6 +222,9 @@ static void add_this_collection(Collection *c,
                                 const ModifierUpdateDepsgraphContext *ctx,
                                 const int mode)
 {
+  if (!c) {
+    return;
+  }
   FOREACH_COLLECTION_VISIBLE_OBJECT_RECURSIVE_BEGIN (c, ob, mode) {
     if (ELEM(ob->type, OB_MESH, OB_MBALL, OB_CURVE, OB_SURF, OB_FONT)) {
       if (ob->lineart.usage != OBJECT_LRT_EXCLUDE) {