From 97a6534ee60f70cdc7395b8a7aa5c57ff1200090 Mon Sep 17 00:00:00 2001
From: EvilSeph <evilseph@gmail.com>
Date: Thu, 21 Jul 2011 13:32:16 -0400
Subject: [PATCH] Fixed maps crashing/disconnecting the client under certain
 circumstances.

---
 src/main/java/net/minecraft/server/ItemWorldMap.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/java/net/minecraft/server/ItemWorldMap.java b/src/main/java/net/minecraft/server/ItemWorldMap.java
index c098aeb67b..1995346d74 100644
--- a/src/main/java/net/minecraft/server/ItemWorldMap.java
+++ b/src/main/java/net/minecraft/server/ItemWorldMap.java
@@ -101,6 +101,7 @@ public class ItemWorldMap extends ItemWorldMapBase {
 
                                                 if (!flag1) {
                                                     --k4;
+                                                    if (k4 <= 0) break; // CraftBukkit
                                                     j5 = chunk.getTypeId(l4 + k3, k4 - 1, j4 + l3);
                                                 }
                                             } while (!flag1);