From: Thierry FOURNIER <tfournier@arpalert.org>
Date: Mon, 21 Sep 2015 20:50:24 +0000 (+0200)
Subject: MINOR: lua: reset pointer after use
X-Git-Tag: v1.6-dev6~60
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a7b536b53bfd4bf5f9c8cf748411c85abdc7f92a;p=thirdparty%2Fhaproxy.git

MINOR: lua: reset pointer after use

After releasing the Lua environment, this patch set the only one pointer to
the Lua stack to NULL. This prevents an accidental re-use.
---

diff --git a/src/hlua.c b/src/hlua.c
index ceeeace6e8..966ed5adb6 100644
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -907,6 +907,7 @@ void hlua_ctx_destroy(struct hlua *lua)
 	/* The thread is garbage collected by Lua. */
 	luaL_unref(lua->T, LUA_REGISTRYINDEX, lua->Mref);
 	luaL_unref(gL.T, LUA_REGISTRYINDEX, lua->Tref);
+	lua->T = NULL;
 }
 
 /* This function is used to restore the Lua context when a coroutine