res_odbc: Allow unload at shutdown.

This makes it possible for REF_DEBUG to report no leaks when loading
res_odbc.

Change-Id: I1a3dea786bd6e7f4820a6dd5cbaa197fa783ce93

diff --git a/res/res_odbc.c b/res/res_odbc.c
index 3ee8cba74e24ce1d6c6cc6d1113af5f35ccba3af..b4c15859930ff4bfb6bd6819c9930b9a4d1606b0 100644 (file)
--- a/res/res_odbc.c
+++ b/res/res_odbc.c
@@ -996,17 +996,25 @@ static int reload(void)
 
 static int unload_module(void)
 {
-       /* Prohibit unloading */
-       return -1;
+       ao2_cleanup(class_container);
+       ast_cli_unregister_multiple(cli_odbc, ARRAY_LEN(cli_odbc));
+
+       return 0;
 }
 
 static int load_module(void)
 {
-       if (!(class_container = ao2_container_alloc(1, null_hash_fn, ao2_match_by_addr)))
+       if (!(class_container = ao2_container_alloc(1, null_hash_fn, ao2_match_by_addr))) {
                return AST_MODULE_LOAD_DECLINE;
-       if (load_odbc_config() == -1)
+       }
+
+       if (load_odbc_config() == -1) {
                return AST_MODULE_LOAD_DECLINE;
+       }
+
+       ast_module_shutdown_ref(ast_module_info->self);
        ast_cli_register_multiple(cli_odbc, ARRAY_LEN(cli_odbc));
+
        return AST_MODULE_LOAD_SUCCESS;
 }