Index: libdbusmenu-0.3.16/libdbusmenu-glib/client.c
===================================================================
--- libdbusmenu-0.3.16.orig/libdbusmenu-glib/client.c	2010-12-15 22:09:33.839192280 +0800
+++ libdbusmenu-0.3.16/libdbusmenu-glib/client.c	2010-12-15 22:10:48.629284610 +0800
@@ -461,7 +461,9 @@
 			properties_listener_t * listener = &g_array_index(listeners, properties_listener_t, i);
 			listener->callback(proxy, NULL, error, listener->user_data);
 		}
+		g_error_free(error);
 		g_array_free(listeners, TRUE);
+		if (OUT_properties) g_ptr_array_unref(OUT_properties);
 		return;
 	}
 
@@ -518,6 +520,7 @@
 
 	/* Clean up */
 	g_array_free(listeners, TRUE);
+	g_ptr_array_unref(OUT_properties);
 
 	return;
 }
@@ -750,6 +753,7 @@
 name_owner_check (DBusGProxy *proxy, gboolean has_owner, GError *error, gpointer userdata)
 {
 	if (error != NULL) {
+		g_error_free(error);
 		return;
 	}
 
@@ -957,6 +961,7 @@
 	g_return_if_fail(DBUSMENU_IS_MENUITEM(data));
 	if (error != NULL) {
 		g_warning("Error getting properties on a menuitem: %s", error->message);
+		g_error_free(error);
 		g_object_unref(data);
 		return;
 	}
@@ -992,6 +997,7 @@
 	if (!have_error) {
 		menuitem_get_properties_cb(proxy, properties, error, data);
 	} else {
+		g_error_free(error);
 		g_object_unref(data);
 	}
 
@@ -1384,11 +1390,13 @@
 
 	if (error != NULL) {
 		g_warning("Getting layout failed on client %s object %s: %s", priv->dbus_name, priv->dbus_object, error->message);
+		g_error_free(error);
 		return;
 	}
 
 	if (!parse_layout(client, xml)) {
 		g_warning("Unable to parse layout!");
+		g_free(xml);
 		return;
 	}
 
@@ -1406,6 +1414,7 @@
 		update_layout(client);
 	}
 
+	g_free(xml);
 	return;
 }
 
Index: libdbusmenu-0.3.16/libdbusmenu-glib/menuitem.c
===================================================================
--- libdbusmenu-0.3.16.orig/libdbusmenu-glib/menuitem.c	2010-12-16 08:02:13.002404000 +0800
+++ libdbusmenu-0.3.16/libdbusmenu-glib/menuitem.c	2010-12-16 08:04:43.315463343 +0800
@@ -1193,6 +1193,14 @@
 	return;
 }
 
+static void
+free_value_ptr (gpointer value)
+{
+	GValue *vvalue = (GValue *)value;
+	g_value_unset(vvalue);
+	g_free(vvalue);
+}
+
 /**
 	dbusmenu_menuitem_properties_copy:
 	@mi: #DbusmenuMenuitem that we're interested in the properties of
@@ -1210,7 +1218,8 @@
 GHashTable *
 dbusmenu_menuitem_properties_copy (DbusmenuMenuitem * mi)
 {
-	GHashTable * ret = g_hash_table_new(g_str_hash, g_str_equal);
+	GHashTable * ret = g_hash_table_new_full(g_str_hash, g_str_equal, g_free,
+	                                         free_value_ptr);
 
 	g_return_val_if_fail(DBUSMENU_IS_MENUITEM(mi), ret);