From 93405e1fded8c13e85ed3e606d798d4955f91222 Mon Sep 17 00:00:00 2001
From: Thierry FOURNIER <tfournier@arpalert.org>
Date: Wed, 26 Aug 2015 14:19:03 +0200
Subject: [PATCH] BUG/MINOR: lua: in some case a sample may remain undefined

When we transform a top stack entry in sample, the empty stack case
is not handled. This patch fix this behavior.
---
 src/hlua.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hlua.c b/src/hlua.c
index 5357b32fd..f7ce3a5c1 100644
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -508,6 +508,8 @@ static int hlua_lua2smp(lua_State *L, int ud, struct sample *smp)
 	case LUA_TFUNCTION:
 	case LUA_TTHREAD:
 	case LUA_TLIGHTUSERDATA:
+	case LUA_TNONE:
+	default:
 		smp->data.type = SMP_T_BOOL;
 		smp->data.u.sint = 0;
 		break;