From b496e885579b489dc06417d551a4968bcbc2e249 Mon Sep 17 00:00:00 2001
From: sk89q <the.sk89q@gmail.com>
Date: Sun, 26 Dec 2010 10:31:54 -0800
Subject: [PATCH] Fixed NullPointerException in
 WorldGuardListener.onSignChange().

---
 src/WorldGuardListener.java | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/WorldGuardListener.java b/src/WorldGuardListener.java
index eb45cd31..5cdbe24e 100644
--- a/src/WorldGuardListener.java
+++ b/src/WorldGuardListener.java
@@ -756,13 +756,15 @@ public boolean onOpenInventory(Player player, Inventory inventory) {
      * @return true if you wish to cancel this change
      */
     public boolean onSignChange(Player player, Sign sign) {
-        int id = etc.getServer().getBlockIdAt(sign.getX(),
-                sign.getY(), sign.getZ());
-        Block block = new Block(id, sign.getX(),
-                sign.getY(), sign.getZ());
+        if (blacklist != null) {
+            int id = etc.getServer().getBlockIdAt(sign.getX(),
+                    sign.getY(), sign.getZ());
+            Block block = new Block(id, sign.getX(),
+                    sign.getY(), sign.getZ());
 
-        if (!blacklist.onSilentUse(block, player)) {
-            return true;
+            if (!blacklist.onSilentUse(block, player)) {
+                return true;
+            }
         }
         
         return false;