From e211740da6ced87ec59a7231be2e3fba64d2dfb2 Mon Sep 17 00:00:00 2001
From: Mohammed Sadiq <sadiq@sadiqpk.org>
Date: Wed, 24 Mar 2021 20:23:09 +0530
Subject: [PATCH] stack: Fix check if page is selected

When there is no visible child, gtk_selection_model_is_selected()
was returning TRUE for any invalid position.

So check if the page is non-NULL and match
---
 gtk/gtkstack.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index 9b1488b3b2..e784b0c30f 100644
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -562,7 +562,7 @@ gtk_stack_pages_is_selected (GtkSelectionModel *model,
 
   page = g_list_nth_data (priv->children, position);
 
-  return page == priv->visible_child;
+  return page && page == priv->visible_child;
 }
 
 static void set_visible_child (GtkStack               *stack,