From cf6ec6dd5aa62d7da48a9e3d0d9aa830856285c0 Mon Sep 17 00:00:00 2001
From: Gabriel Pérez-Cerezo <gabriel@gpcf.eu>
Date: Sat, 20 Jan 2018 14:49:30 +0100
Subject: Fixed crash when smartshop position unknown

---
 init.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/init.lua b/init.lua
index e4d297f..ce6cce0 100644
--- a/init.lua
+++ b/init.lua
@@ -79,6 +79,9 @@ smartshop.receive_fields=function(player,pressed)
 				if pressed["buy" .. i] then break end
 			end
 			local pos=smartshop.user[player:get_player_name()]
+			if not pos then
+			   return
+			end
 			local meta=minetest.get_meta(pos)
 			local type=meta:get_int("type")
 			local inv=meta:get_inventory()
-- 
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