From 500737e8e16dce5248aff394899bb3761a9c3bbf Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 4 Jun 2014 18:17:29 -0400
Subject: [PATCH] [ot-font] Don't select a Null cmap subtable

Can happen either in broken fonts, or as a result of sanitize().
---
 src/hb-ot-cmap-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index b0f01e120..abaceaadf 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -354,7 +354,7 @@ struct cmap
     key.encodingID.set (encoding_id);
 
     int result = encodingRecord.search (key);
-    if (result == -1)
+    if (result == -1 || !encodingRecord[result].subtable)
       return NULL;
 
     return &(this+encodingRecord[result].subtable);