[ot] Ensure layout in hb_ot_layout_table_get_lookup_count()

2017-12-01 12:36:26 -08:00 · 2017-12-01 12:36:26 -08:00 · be9e307a88
parent d9066afd6b
commit be9e307a88
1 changed files with 1 additions and 0 deletions
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@ -601,6 +601,7 @@ unsigned int
 hb_ot_layout_table_get_lookup_count (hb_face_t    *face,
 				     hb_tag_t      table_tag)
 {
+  if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return 0;
  switch (table_tag)
  {
    case HB_OT_TAG_GSUB: