From 3b0f45c93cdb56bb0edc9c0ff52338ec879fc97c Mon Sep 17 00:00:00 2001
From: Norman Maurer <norman@apache.org>
Date: Tue, 31 Jan 2012 11:07:33 +0100
Subject: [PATCH] Fix possible NPE which will be thrown if the Buffer was set
 to null and after that Exception was thrown. See #166

---
 .../java/org/jboss/netty/channel/socket/nio/NioWorker.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/jboss/netty/channel/socket/nio/NioWorker.java b/src/main/java/org/jboss/netty/channel/socket/nio/NioWorker.java
index 5554bee218..84b47340d0 100644
--- a/src/main/java/org/jboss/netty/channel/socket/nio/NioWorker.java
+++ b/src/main/java/org/jboss/netty/channel/socket/nio/NioWorker.java
@@ -495,7 +495,9 @@ class NioWorker implements Runnable {
                 } catch (AsynchronousCloseException e) {
                     // Doesn't need a user attention - ignore.
                 } catch (Throwable t) {
-                    buf.release();
+                    if (buf != null) {
+                        buf.release();
+                    }
                     channel.currentWriteEvent = null;
                     channel.currentWriteBuffer = null;
                     buf = null;