From: Fedor Indutny <fedor.indutny@gmail.com>
Date: Fri, 27 Sep 2013 19:47:13 +0000 (+0400)
Subject: tls: fix sporadic hang and partial reads
X-Git-Tag: v0.10.20~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=671b5be6e9d74fec9e94b1ab88d2b2648c540078;p=platform%2Fupstream%2Fnodejs.git

tls: fix sporadic hang and partial reads

Do not decrement size in read loop, its used later, when comparing to
`bytesRead`.

fix #6270

NOTE: Original patch contributed by @roadrunner2
---

diff --git a/lib/tls.js b/lib/tls.js
index a758c8e..fe94a51 100644
--- a/lib/tls.js
+++ b/lib/tls.js
@@ -447,10 +447,9 @@ CryptoStream.prototype._read = function read(size) {
   var bytesRead = 0,
       start = this._buffer.offset;
   do {
-    var read = this._buffer.use(this.pair.ssl, out, size);
+    var read = this._buffer.use(this.pair.ssl, out, size - bytesRead);
     if (read > 0) {
       bytesRead += read;
-      size -= read;
     }
 
     // Handle and report errors