[glib] Revert "giomodule: Fix leaks in module loading"

[Stefan Walter <stefw src gnome org>]

commit a638be8a790a67688066229f239a612194cdff70
Author: Stef Walter <stefw gnome org>
Date:   Thu Nov 7 22:56:11 2013 +0100

    Revert "giomodule: Fix leaks in module loading"
    
    This reverts commit dc72039c162e1ca6400f28f92dd8e090ce99bd3f.
    
    This depends on a patch that allows GTypeModule to be finalized.
    Lets put this back in bugzilla until that gets in.

 gio/giomodule.c |   28 ++++++++++------------------
 1 files changed, 10 insertions(+), 18 deletions(-)
---
diff --git a/gio/giomodule.c b/gio/giomodule.c
index 6297f22..17d55de 100644
--- a/gio/giomodule.c
+++ b/gio/giomodule.c
@@ -489,7 +489,7 @@ g_io_modules_scan_all_in_directory_with_scope (const char     *dirname,
                    g_io_extension_point_register (extension_points[i]);
                  extension_point->lazy_load_modules =
                    g_list_prepend (extension_point->lazy_load_modules,
-                                    g_object_ref (module));
+                                   module);
                }
            }
          else
@@ -497,11 +497,15 @@ g_io_modules_scan_all_in_directory_with_scope (const char     *dirname,
              /* Try to load and init types */
              if (g_type_module_use (G_TYPE_MODULE (module)))
                g_type_module_unuse (G_TYPE_MODULE (module)); /* Unload */
-             else /* Failure to load */
-                g_printerr ("Failed to load module: %s\n", path);
+             else
+               { /* Failure to load */
+                 g_printerr ("Failed to load module: %s\n", path);
+                 g_object_unref (module);
+                 g_free (path);
+                 continue;
+               }
            }
 
-          g_object_unref (module);
          g_free (path);
        }
     }
@@ -861,7 +865,8 @@ _g_io_module_get_default (const gchar         *extension_point,
 
  done:
   g_hash_table_insert (default_modules,
-                       g_strdup (extension_point), impl);
+                      g_strdup (extension_point),
+                      impl ? g_object_ref (impl) : NULL);
   g_rec_mutex_unlock (&default_modules_lock);
 
   return impl;
@@ -1093,20 +1098,7 @@ _g_io_modules_ensure_loaded (void)
 static void
 g_io_extension_point_free (GIOExtensionPoint *ep)
 {
-  GList *walk;
-
   g_free (ep->name);
-
-  for (walk = ep->extensions; walk != NULL; walk = walk->next)
-    {
-      GIOExtension *extension = walk->data;
-
-      g_free (extension->name);
-      g_slice_free (GIOExtension, extension);
-    }
-  g_list_free_full (ep->lazy_load_modules, g_object_unref);
-  g_list_free (ep->extensions);
-
   g_free (ep);
 }