From a47cd639158ee9cfd228c0ae8257301b8510f3ad Mon Sep 17 00:00:00 2001
From: Tonis Tiigi <tonistiigi@gmail.com>
Date: Wed, 6 Apr 2016 16:49:45 -0700
Subject: [PATCH] Fix closing attach streams on lost tcp connection

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
---
 pkg/ioutils/bytespipe.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/ioutils/bytespipe.go b/pkg/ioutils/bytespipe.go
index f0d21debe5..59bba96265 100644
--- a/pkg/ioutils/bytespipe.go
+++ b/pkg/ioutils/bytespipe.go
@@ -51,6 +51,7 @@ func (bp *BytesPipe) Write(p []byte) (int, error) {
 	bp.mu.Lock()
 
 	written := 0
+loop0:
 	for {
 		if bp.closeErr != nil {
 			bp.mu.Unlock()
@@ -85,6 +86,9 @@ func (bp *BytesPipe) Write(p []byte) (int, error) {
 		// make sure the buffer doesn't grow too big from this write
 		for bp.bufLen >= blockThreshold {
 			bp.wait.Wait()
+			if bp.closeErr != nil {
+				continue loop0
+			}
 		}
 
 		// add new byte slice to the buffers slice and continue writing