From 22847563cecb59c6f120a08bb49284599dbb6232 Mon Sep 17 00:00:00 2001
From: Christian Hergert <chergert@redhat.com>
Date: Fri, 19 Nov 2021 11:59:29 -0800
Subject: [PATCH] a11y: return -1 if parent is NULL

---
 gtk/a11y/gtkatspicontext.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gtk/a11y/gtkatspicontext.c b/gtk/a11y/gtkatspicontext.c
index b6bd77b694..43d40ee257 100644
--- a/gtk/a11y/gtkatspicontext.c
+++ b/gtk/a11y/gtkatspicontext.c
@@ -334,6 +334,9 @@ get_index_in_parent (GtkWidget *widget)
   GtkWidget *child;
   int idx;
 
+  if (parent == NULL)
+    return -1;
+
   idx = 0;
   for (child = gtk_widget_get_first_child (parent);
        child;