From 3cef4b5cecae391cce57287fa11e0e67c64b1a1c Mon Sep 17 00:00:00 2001
From: Ray Greenwell <ray@threerings.net>
Date: Fri, 7 Apr 2006 18:52:24 +0000
Subject: [PATCH] Prevent NPE when we process a pong that was destined for a
 different DeltaCalculator.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4003 542714f4-19e9-0310-aa3c-eee0fc999fb1
---
 src/java/com/threerings/presents/client/DeltaCalculator.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/java/com/threerings/presents/client/DeltaCalculator.java b/src/java/com/threerings/presents/client/DeltaCalculator.java
index 730ea4183..19fdb09d0 100644
--- a/src/java/com/threerings/presents/client/DeltaCalculator.java
+++ b/src/java/com/threerings/presents/client/DeltaCalculator.java
@@ -69,6 +69,11 @@ public class DeltaCalculator
      */
     public boolean gotPong (PongResponse pong)
     {
+        if (_ping == null) {
+            // an errant pong that is likely being processed late after
+            // a new connection was opened.
+            return false;
+        }
         // don't freak out if they keep calling gotPong() after we're done
         if (_iter >= _deltas.length) {
             return true;