Delete the startAsyncWriteTimer object on close

There are no sense to keep the startAsyncWriteTimer object
when the device is closed. Because in next time the device
can be opened in read-only mode, and the startAsyncWriteTimer
will never used.

Change-Id: I315ddfa88517087dcf708b0057a0e7c27cb1a3f1
Reviewed-by: Sergey Belyashov <Sergey.Belyashov@gmail.com>
Reviewed-by: Denis Shienkov <denis.shienkov@gmail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/serialport/qserialport_win.cpp b/src/serialport/qserialport_win.cpp
index a5386c7..a9687a2 100644
--- a/src/serialport/qserialport_win.cpp
+++ b/src/serialport/qserialport_win.cpp
@@ -112,6 +112,11 @@ void QSerialPortPrivate::close()
         notifier = Q_NULLPTR;
     }
 
+    if (startAsyncWriteTimer) {
+        delete startAsyncWriteTimer;
+        startAsyncWriteTimer = Q_NULLPTR;
+    }
+
     readStarted = false;
     writeStarted = false;
     writeBuffer.clear();