From ff76300a5c9f209f625384f35ad0fdb0acebd799 Mon Sep 17 00:00:00 2001
From: Alex Trotsenko <alex1973tr@gmail.com>
Date: Fri, 19 Feb 2016 17:58:46 +0200
Subject: [PATCH] QRingBuffer::read(): remove unneeded byte array allocation

QRingBuffer already works fine with empty list of arrays.

Change-Id: I5cd388709686d2980efa3d5129c726e75c0b5c09
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
---
 src/corelib/tools/qringbuffer.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/corelib/tools/qringbuffer.cpp b/src/corelib/tools/qringbuffer.cpp
index 7e2d909dcd..db2004dfd9 100644
--- a/src/corelib/tools/qringbuffer.cpp
+++ b/src/corelib/tools/qringbuffer.cpp
@@ -276,7 +276,6 @@ QByteArray QRingBuffer::read()
     if (tailBuffer == 0) {
         qba.resize(tail);
         tail = 0;
-        buffers.append(QByteArray());
     } else {
         --tailBuffer;
     }