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authorDenis Shienkov <denis.shienkov@gmail.com>2014-04-12 17:40:03 +0400
committerThe Qt Project <gerrit-noreply@qt-project.org>2014-05-15 11:07:26 +0200
commit1fc75ea6056b8546e5aea136fe580f97e833b828 (patch)
treeb9a63a86c070a3f445a75691f394660cfa6675ab /src
parentfa1feb5737ef275e1a81f5469161b2bfad7e3f7d (diff)
downloadqtserialport-1fc75ea6056b8546e5aea136fe580f97e833b828.tar.gz
Return after an error of the async write operation
Tested on Windows 8 using the on-board and the USB serial ports and using Qt4 and Qt5. Change-Id: Idd25b81c9b6b2cd0b94e83fe30e6e7dad4dddfd6 Reviewed-by: Sergey Belyashov <Sergey.Belyashov@gmail.com> Reviewed-by: Denis Shienkov <denis.shienkov@gmail.com>
Diffstat (limited to 'src')
-rw-r--r--src/serialport/qserialport_win.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/serialport/qserialport_win.cpp b/src/serialport/qserialport_win.cpp
index 0f453f5..9b04083 100644
--- a/src/serialport/qserialport_win.cpp
+++ b/src/serialport/qserialport_win.cpp
@@ -620,10 +620,12 @@ void QSerialPortPrivate::_q_completeAsyncWrite()
{
Q_Q(QSerialPort);
+ writeStarted = false;
DWORD numberOfBytesTransferred = 0;
if (!::GetOverlappedResult(handle, &writeCompletionOverlapped, &numberOfBytesTransferred, FALSE)) {
numberOfBytesTransferred = 0;
q->setError(decodeSystemError());
+ return;
}
if (numberOfBytesTransferred > 0) {
@@ -631,7 +633,6 @@ void QSerialPortPrivate::_q_completeAsyncWrite()
emit q->bytesWritten(numberOfBytesTransferred);
}
- writeStarted = false;
startAsyncWrite();
}