Add extra check of string passed to lua.

diff --git a/src/lua/lua_task.c b/src/lua/lua_task.c
index 05c4730e4bf4faf8888c7e89d59b9ee3dad10cde..98bbef8db304371c32530401a13ee2fe1ba940b6 100644 (file)
--- a/src/lua/lua_task.c
+++ b/src/lua/lua_task.c
@@ -2081,7 +2081,7 @@ lua_url_get_user (lua_State *L)
 {
        struct uri *url = lua_check_url (L);
 
-       if (url != NULL) {
+       if (url != NULL && url->user != NULL) {
                lua_pushlstring (L, url->user, url->userlen);
        }
        else {