From 3b1ebf7f100fa7a1ba654ef51c8f4b39661d7c63 Mon Sep 17 00:00:00 2001
From: Jeff Pinner <jpinner@twitter.com>
Date: Tue, 15 Jan 2013 09:40:21 -0800
Subject: [PATCH] SPDY: fix improper use of SYNC_FLUSH in
 SpdyHeaderBlockZlibCompressor

---
 .../handler/codec/spdy/SpdyHeaderBlockZlibCompressor.java    | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/jboss/netty/handler/codec/spdy/SpdyHeaderBlockZlibCompressor.java b/src/main/java/org/jboss/netty/handler/codec/spdy/SpdyHeaderBlockZlibCompressor.java
index 4b1021d981..c925ef61b3 100644
--- a/src/main/java/org/jboss/netty/handler/codec/spdy/SpdyHeaderBlockZlibCompressor.java
+++ b/src/main/java/org/jboss/netty/handler/codec/spdy/SpdyHeaderBlockZlibCompressor.java
@@ -52,8 +52,9 @@ class SpdyHeaderBlockZlibCompressor extends SpdyHeaderBlockCompressor {
 
     @Override
     public void encode(ChannelBuffer compressed) {
-        while (!compressor.needsInput()) {
-            int numBytes = compressor.deflate(out, 0, out.length, Deflater.SYNC_FLUSH);
+        int numBytes = out.length;
+        while (numBytes == out.length) {
+            numBytes = compressor.deflate(out, 0, out.length, Deflater.SYNC_FLUSH);
             compressed.writeBytes(out, 0, numBytes);
         }
     }