From c971ec7dc7f5693e81535ec8f78b83ede6a33857 Mon Sep 17 00:00:00 2001
From: ShadowNinja <noreply@gmail.com>
Date: Thu, 16 Jan 2014 18:32:13 -0500
Subject: [PATCH] Fix crash when using the screwdriver on an unknown node

---
 mods/screwdriver/init.lua | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mods/screwdriver/init.lua b/mods/screwdriver/init.lua
index 6f99aa57..27e1b412 100644
--- a/mods/screwdriver/init.lua
+++ b/mods/screwdriver/init.lua
@@ -71,9 +71,8 @@ local function screwdriver_handler(itemstack, user, pointed_thing)
 		return
 	end
 	local node = minetest.get_node(pos)
-	local node_name = node.name
 	local ndef = minetest.registered_nodes[node.name]
-	if ndef.paramtype2 == "facedir" then
+	if ndef and ndef.paramtype2 == "facedir" then
 		if ndef.drawtype == "nodebox" and ndef.node_box.type ~= "fixed" then
 			return
 		end
-- 
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