From f19ecbb8503982a00b0f3ee4d5d6c3c73e61deb2 Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Thu, 29 Dec 2016 11:07:05 -0500
Subject: [PATCH] Avoid a possible crash in ::activate-url handlers

If the signal handler ends up changing the label text,
the link is no longer around to update the css node.
Check for this possibility to avoid a crash here.
---
 gtk/gtklabel.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gtk/gtklabel.c b/gtk/gtklabel.c
index 3affe96550..612ad3f68f 100644
--- a/gtk/gtklabel.c
+++ b/gtk/gtklabel.c
@@ -6739,7 +6739,8 @@ emit_activate_link (GtkLabel     *label,
   GtkStateFlags state;
 
   g_signal_emit (label, signals[ACTIVATE_LINK], 0, link->uri, &handled);
-  if (handled && priv->track_links && !link->visited)
+  if (handled && priv->track_links && !link->visited &&
+      priv->select_info && priv->select_info->links)
     {
       link->visited = TRUE;
       state = gtk_css_node_get_state (link->cssnode);