From 8ed55ed79ee1319b846f6d6954906a6ec6e19869 Mon Sep 17 00:00:00 2001
From: Emmanuele Bassi <ebassi@gnome.org>
Date: Fri, 3 Jul 2020 11:49:08 +0100
Subject: Initialise out arguments

If we bail out early, we end up with uninitialised data and no way for a
caller to know that happened.

Fixes: #489
---
 pango/pangofc-fontmap.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pango/pangofc-fontmap.c b/pango/pangofc-fontmap.c
index b2c44300..ec504094 100644
--- a/pango/pangofc-fontmap.c
+++ b/pango/pangofc-fontmap.c
@@ -2842,6 +2842,12 @@ pango_fc_family_list_faces (PangoFontFamily  *family,
 {
   PangoFcFamily *fcfamily = PANGO_FC_FAMILY (family);
 
+  if (faces)
+    *faces = NULL;
+
+  if (n_faces)
+    *n_faces = 0;
+
   if (G_UNLIKELY (!fcfamily->fontmap))
     return;
 
-- 
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