From 4d993e1eaaca9cfa1c860aadb75caf8a9df5860d Mon Sep 17 00:00:00 2001
From: George Hazan <ghazan@miranda.im>
Date: Mon, 21 May 2018 16:40:27 +0300
Subject: crash fix: MirLua crashes inside Options - Plugins if the plugin is
 disabled

---
 libs/liblua/src/lstate.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libs/liblua/src')

diff --git a/libs/liblua/src/lstate.c b/libs/liblua/src/lstate.c
index 11299d3743..0c056f9041 100644
--- a/libs/liblua/src/lstate.c
+++ b/libs/liblua/src/lstate.c
@@ -339,6 +339,9 @@ LUA_API lua_State *lua_newstate (lua_Alloc f, void *ud) {
 
 
 LUA_API void lua_close (lua_State *L) {
+  if (!L)
+	 return;
+
   L = G(L)->mainthread;  /* only the main thread can be closed */
   lua_lock(L);
   close_state(L);
-- 
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