Fix lint warnings

plugins/channelrx/remotetcpsink/remotetcpsinkgui.cpp

@@ -246,7 +246,7 @@ bool RemoteTCPSinkGUI::handleMessage(const Message& message)
     }
     else if (DSPSignalNotification::match(message))
     {
-        DSPSignalNotification& cfg = (DSPSignalNotification&) message;
+        const DSPSignalNotification& cfg = (const DSPSignalNotification&) message;
         if (cfg.getSampleRate() != m_basebandSampleRate) {
             m_bwAvg.reset();
         }
@@ -260,7 +260,7 @@ bool RemoteTCPSinkGUI::handleMessage(const Message& message)
     }
     else if (RemoteTCPSink::MsgSendMessage::match(message))
     {
-        RemoteTCPSink::MsgSendMessage& msg = (RemoteTCPSink::MsgSendMessage&) message;
+        const RemoteTCPSink::MsgSendMessage& msg = (const RemoteTCPSink::MsgSendMessage&) message;
         QString address = QString("%1:%2").arg(msg.getAddress().toString()).arg(msg.getPort());
         QString callsign = msg.getCallsign();
         QString text = msg.getText();
@@ -279,7 +279,7 @@ bool RemoteTCPSinkGUI::handleMessage(const Message& message)
     }
     else if (RemoteTCPSink::MsgError::match(message))
     {
-        RemoteTCPSink::MsgError& msg = (RemoteTCPSink::MsgError&) message;
+        const RemoteTCPSink::MsgError& msg = (const RemoteTCPSink::MsgError&) message;
         QString error = msg.getError();
         QMessageBox::warning(this, "RemoteTCPSink", error, QMessageBox::Ok);
         return true;

plugins/channelrx/remotetcpsink/remotetcpsinksettingsdialog.h

@@ -37,7 +37,7 @@ public:
     const QStringList& getSettingsKeys() const { return m_settingsKeys; };
 
 private slots:
-    void accept();
+    void accept() override;
     void on_browseCertificate_clicked();
     void on_browseKey_clicked();
     void on_addIP_clicked();

sdrbase/channel/channelwebapiutils.cpp

@@ -2016,7 +2016,6 @@ bool DeviceOpener::open(const QString hwType, int direction, const QStringList&
     }
 
     int nbSamplingDevices = DeviceEnumerator::instance()->getNbRxSamplingDevices();
-    bool found = false;
 
     for (int i = 0; i < nbSamplingDevices; i++)
     {
@@ -2032,9 +2031,7 @@ bool DeviceOpener::open(const QString hwType, int direction, const QStringList&
 
         return true;
     }
-    if (!found)
-    {
-        qCritical() << "DeviceOpener::open: Failed to find device with hwType " << hwType;
-        return false;
-    }
+
+    qWarning() << "DeviceOpener::open: Failed to find device with hwType " << hwType;
+    return false;
 }