Debian #461625
GNOME #533718

Index: yelp-2.22.1/src/yelp-info-parser.c
===================================================================
--- yelp-2.22.1.orig/src/yelp-info-parser.c	2008-05-18 17:14:54.087169596 +0200
+++ yelp-2.22.1/src/yelp-info-parser.c	2008-05-18 17:23:01.842680735 +0200
@@ -341,10 +341,12 @@ GtkTreeIter * find_real_sibling (GtkTree
   gchar *title;
   gchar *reftitle;
 
-  if (!it) {
+  if (!it || !comp) {
     return NULL;
   }
 
+  g_return_val_if_fail (GTK_IS_TREE_MODEL (model), NULL);
+
   r = gtk_tree_iter_copy (it);
   tmp = gtk_tree_iter_copy (it);