From 44dc61108886efd0eac5fcd29e1c73234d3b161c Mon Sep 17 00:00:00 2001
From: ShadowNinja <shadowninja@minetest.net>
Date: Sat, 6 Sep 2014 20:34:52 -0400
Subject: [PATCH] Fix farming unloaded node crash

---
 mods/farming/api.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mods/farming/api.lua b/mods/farming/api.lua
index e6d57f8..6ce996d 100644
--- a/mods/farming/api.lua
+++ b/mods/farming/api.lua
@@ -241,6 +241,9 @@ farming.register_plant = function(name, def)
 			if minetest.get_item_group(node.name, "seed") and node_def.fertility then
 				local can_grow = false
 				local soil_node = minetest.get_node_or_nil({x = pos.x, y = pos.y - 1, z = pos.z})
+				if not soil_node then
+					return
+				end
 				for _, v in pairs(node_def.fertility) do
 					if minetest.get_item_group(soil_node.name, v) ~= 0 then
 						can_grow = true