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Fix two nul deref if digging unknown nodes. (#5398)

Introduced by d785456 (#5162)
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sofar authored and nerzhul committed Mar 15, 2017
1 parent 84f4565 commit b539985ab827c2eb025ecb28cf1a97bdd3c75d58
Showing with 2 additions and 2 deletions.
  1. +2 −2 builtin/game/item.lua
@@ -496,15 +496,15 @@ function core.node_dig(pos, node, digger)
core.handle_node_drops(pos, drops, digger)

local oldmetadata = nil
if def.after_dig_node then
if def and def.after_dig_node then
oldmetadata = core.get_meta(pos):to_table()
end

-- Remove node and update
core.remove_node(pos)

-- Run callback
if def.after_dig_node then
if def and def.after_dig_node then
-- Copy pos and node because callback can modify them
local pos_copy = {x=pos.x, y=pos.y, z=pos.z}
local node_copy = {name=node.name, param1=node.param1, param2=node.param2}

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