From: Sebastian Dröge <sebastian@centricular.com>
Date: Wed, 9 Feb 2022 15:50:13 +0000 (+0200)
Subject: Don't dereference a `NULL` page in `gtk_assistant_set_current_page()` if there are... 
X-Git-Tag: archive/raspbian/4.6.5+ds-1+rpi1~1^2~19^2~4^2~13^2
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=878e4a34d339c376ceb78655cd44c58b06411f1d;p=gtk4.git

Don't dereference a `NULL` page in `gtk_assistant_set_current_page()` if there are no pages at all
---

diff --git a/gtk/gtkassistant.c b/gtk/gtkassistant.c
index 891b821e6b..464e6f1b68 100644
--- a/gtk/gtkassistant.c
+++ b/gtk/gtkassistant.c
@@ -1478,6 +1478,7 @@ gtk_assistant_set_current_page (GtkAssistant *assistant,
   GtkAssistantPage *page;
 
   g_return_if_fail (GTK_IS_ASSISTANT (assistant));
+  g_return_if_fail (assistant->pages != NULL);
 
   if (page_num >= 0)
     page = (GtkAssistantPage *) g_list_nth_data (assistant->pages, page_num);