MINOR: hlua: Test the hlua struct first when the lua socket is connecting

It makes sense to first verify the hlua context is valid. It is probably
better than doing it after updated the appctx.

diff --git a/src/hlua.c b/src/hlua.c
index 39b64dc38c625e2891e1e15a0029bee844a30c85..fbed29946e876f069674c20a8b27ab7ab4cfd2ce 100644 (file)
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -3148,6 +3148,11 @@ __LJMP static int hlua_socket_connect(struct lua_State *L)
        struct stconn *sc;
        struct stream *s;
 
+       /* Get hlua struct, or NULL if we execute from main lua state */
+       hlua = hlua_gethlua(L);
+       if (!hlua)
+               return 0;
+
        if (lua_gettop(L) < 2)
                WILL_LJMP(luaL_error(L, "connect: need at least 2 arguments"));
 
@@ -3222,11 +3227,6 @@ __LJMP static int hlua_socket_connect(struct lua_State *L)
                WILL_LJMP(luaL_error(L, "connect: internal error"));
        }
 
-       /* Get hlua struct, or NULL if we execute from main lua state */
-       hlua = hlua_gethlua(L);
-       if (!hlua)
-               return 0;
-
        /* inform the stream that we want to be notified whenever the
         * connection completes.
         */