Fix T101317: GPencil separate Active layer freezes blender

The error occurs only when the layer is empty.
2022-09-25 12:26:48 +02:00
parent f68cfd6bb0
commit b6adca3280
1 changed files with 3 additions and 1 deletions
--- a/source/blender/editors/gpencil/gpencil_edit.c
+++ b/source/blender/editors/gpencil/gpencil_edit.c
@@ -5221,7 +5221,9 @@ static int gpencil_stroke_separate_exec(bContext *C, wmOperator *op)
  for (int slot = 1; slot <= ob_dst->totcol; slot++) {
    while (slot <= ob_dst->totcol && !BKE_object_material_slot_used(ob_dst, slot)) {
      ob_dst->actcol = slot;
-      BKE_object_material_slot_remove(bmain, ob_dst);
+      if (!BKE_object_material_slot_remove(bmain, ob_dst)) {
+        break;
+      }
      if (actcol >= slot) {
        actcol--;
      }