Merge remote-tracking branch 'origin/5.9' into 5.11

 Conflicts:
	.qmake.conf
	src/corelib/animation/qvariantanimation.cpp
	src/corelib/global/qglobal.cpp
	src/corelib/global/qlogging.cpp
	src/corelib/io/qprocess_win.cpp
	src/corelib/json/qjsonarray.cpp
	src/corelib/tools/qsimd_p.h
	src/corelib/tools/qtimezoneprivate_p.h
	src/corelib/xml/qxmlstream_p.h
	src/gui/kernel/qsimpledrag.cpp
	src/gui/kernel/qsimpledrag_p.h
	src/plugins/generic/generic.pro
	src/plugins/platforms/cocoa/qcocoamenu.mm
	src/widgets/styles/qmacstyle_mac.mm
	tests/auto/concurrent/qtconcurrentmap/BLACKLIST
	tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp
	tests/auto/corelib/tools/qdatetime/tst_qdatetime.cpp
	tests/auto/gui/kernel/qwindow/BLACKLIST
	tests/auto/widgets/dialogs/qmessagebox/BLACKLIST

Change-Id: I508d686cf20f7f8cc6a7119b9bc7c3bbb505c58e

2 files changed, 12 insertions, 13 deletions

diff --git a/src/xml/doc/src/qtxml-index.qdoc b/src/xml/doc/src/qtxml-index.qdoc
index eb35903756..91f2515d60 100644
--- a/src/xml/doc/src/qtxml-index.qdoc
+++ b/src/xml/doc/src/qtxml-index.qdoc
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2016 The Qt Company Ltd.
+** Copyright (C) 2018 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the documentation of the Qt Toolkit.
@@ -45,4 +45,13 @@
 
     The \l{Qt XML C++ Classes} page gives an overview over the available classes
     in this module.
+
+    \section1 Licenses
+
+    The Qt XML module is available under commercial licenses from \l{The Qt Company}.
+    In addition, it is available under free software licenses. Since Qt 5.4,
+    these free software licenses are
+    \l{GNU Lesser General Public License, version 3}, or
+    the \l{GNU General Public License, version 2}.
+    See \l{Qt Licensing} for further details.
 */
diff --git a/src/xml/sax/qxml.cpp b/src/xml/sax/qxml.cpp
index b781176e13..168e8c3cb4 100644
--- a/src/xml/sax/qxml.cpp
+++ b/src/xml/sax/qxml.cpp
@@ -1270,18 +1270,8 @@ void QXmlInputSource::fetchData()
         } else if (device->isOpen() || device->open(QIODevice::ReadOnly)) {
             rawData.resize(BufferSize);
             qint64 size = device->read(rawData.data(), BufferSize);
-
-            if (size != -1) {
-                // We don't want to give fromRawData() less than four bytes if we can avoid it.
-                while (size < 4) {
-                    if (!device->waitForReadyRead(-1))
-                        break;
-                    int ret = device->read(rawData.data() + size, BufferSize - size);
-                    if (ret <= 0)
-                        break;
-                    size += ret;
-                }
-            }
+            if (size == 0 && device->waitForReadyRead(-1))
+                size = device->read(rawData.data(), BufferSize);
 
             rawData.resize(qMax(qint64(0), size));
         }