[glib/wip/gcleanup: 41/42] giomodule: Fix leaks in module loading

[Stefan Walter <stefw src gnome org>]

commit 8dda42d14d276daa75ce8df63e604a62b18bd9ad
Author: Stef Walter <stefw gnome org>
Date:   Thu Nov 7 23:00:28 2013 +0100

    giomodule: Fix leaks in module loading
    
    https://bugzilla.gnome.org/show_bug.cgi?id=711798

 gio/giomodule.c |   28 ++++++++++++++++++----------
 1 files changed, 18 insertions(+), 10 deletions(-)
---
diff --git a/gio/giomodule.c b/gio/giomodule.c
index c26d3d2..daa9f4c 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,
-                                   module);
+                                    g_object_ref (module));
                }
            }
          else
@@ -497,15 +497,11 @@ 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);
-                 g_object_unref (module);
-                 g_free (path);
-                 continue;
-               }
+             else /* Failure to load */
+                g_printerr ("Failed to load module: %s\n", path);
            }
 
+          g_object_unref (module);
          g_free (path);
        }
     }
@@ -868,8 +864,7 @@ _g_io_module_get_default (const gchar         *extension_point,
 
  done:
   g_hash_table_insert (default_modules,
-                      g_strdup (extension_point),
-                      impl ? g_object_ref (impl) : NULL);
+                       g_strdup (extension_point), impl);
   g_rec_mutex_unlock (&default_modules_lock);
 
   return impl;
@@ -1106,7 +1101,20 @@ _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);
 }