From 2d8ff3bcbe69f9d573f2075ef0e3c3d061f1133f Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 19 Nov 2022 15:23:44 -0700
Subject: [PATCH] [unicode] Destroy user_data in set_funcs fail paths

This is what the font_funcs / draw_funcs do.
---
 src/hb-unicode.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/hb-unicode.cc b/src/hb-unicode.cc
index 54c46692c..d1ecef97c 100644
--- a/src/hb-unicode.cc
+++ b/src/hb-unicode.cc
@@ -379,9 +379,10 @@ hb_unicode_funcs_set_##name##_func (hb_unicode_funcs_t		   *ufuncs,	\
   if (hb_object_is_immutable (ufuncs))						\
     goto fail;									\
 										\
-  if (!func && destroy)								\
+  if (!func)									\
   {										\
-    destroy (user_data);							\
+    if (destroy)								\
+      destroy (user_data);							\
     destroy = nullptr;								\
     user_data = nullptr;							\
   }										\