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Avoid an uninitialized COM pointer reference in the Omni-Rig i/f

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Removed port locking as it doesn't seem to work.
This commit is contained in:
Bill Somerville
2020-05-29 22:35:30 +01:00
parent 6c2de129a7
commit 0c3fa17865
1 changed files with 14 additions and 6 deletions
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Transceiver/OmniRigTransceiver.cpp
+14 -6
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@@ -162,6 +162,9 @@ int OmniRigTransceiver::do_start ()
Q_ASSERT (rig_);
Q_ASSERT (!rig_->isNull ());
// COM/OLE exceptions get signaled
connect (&*rig_, SIGNAL (exception (int, QString, QString, QString)), this, SLOT (handle_COM_exception (int, QString, QString, QString)));
offline_timer_.reset (new QTimer); // instantiate here as
// constructor runs in wrong
// thread
@@ -175,12 +178,17 @@ int OmniRigTransceiver::do_start ()
Q_ASSERT (port_);
Q_ASSERT (!port_->isNull ());
// COM/OLE exceptions get signaled
connect (&*port_, SIGNAL (exception (int, QString, QString, QString)), this, SLOT (handle_COM_exception (int, QString, QString, QString)));
TRACE_CAT ("OmniRigTransceiver", "OmniRig RTS state:" << port_->Rts ());
if (!port_->Lock ()) // try to take exclusive use of the OmniRig serial port for PTT
{
TRACE_CAT ("OmniRigTransceiver", "Failed to get exclusive use of serial port for PTT from OmniRig");
}
// remove locking because it doesn't seem to work properly
// if (!port_->Lock ()) // try to take exclusive use of the OmniRig serial port for PTT
// {
// TRACE_CAT ("OmniRigTransceiver", "Failed to get exclusive use of serial port for PTT from OmniRig");
// }
// start off so we don't accidentally key the radio
if (TransceiverFactory::PTT_method_DTR == ptt_type_)
@@ -314,9 +322,9 @@ void OmniRigTransceiver::do_stop ()
// destructor as destructor runs in
// wrong thread
if (port_)
if (port_ && !port_->isNull ())
{
port_->Unlock (); // release serial port
// port_->Unlock (); // release serial port
port_->clear ();
port_.reset ();
}