diff --git a/plugins/channelrx/demodam/amdemod.cpp b/plugins/channelrx/demodam/amdemod.cpp
index 8533e7309..aba67ccb7 100644
--- a/plugins/channelrx/demodam/amdemod.cpp
+++ b/plugins/channelrx/demodam/amdemod.cpp
@@ -806,13 +806,14 @@ void AMDemod::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, con
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgChannelSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgChannelSettings;
 }
@@ -827,10 +828,13 @@ void AMDemod::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("AMDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("AMDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/channelrx/demodbfm/bfmdemod.cpp b/plugins/channelrx/demodbfm/bfmdemod.cpp
index eba835a49..4d62d371d 100644
--- a/plugins/channelrx/demodbfm/bfmdemod.cpp
+++ b/plugins/channelrx/demodbfm/bfmdemod.cpp
@@ -865,13 +865,14 @@ void BFMDemod::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, co
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgChannelSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgChannelSettings;
 }
@@ -886,10 +887,13 @@ void BFMDemod::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("BFMDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("BFMDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/channelrx/demoddsd/dsddemod.cpp b/plugins/channelrx/demoddsd/dsddemod.cpp
index 8eef9a0d0..ed1c62946 100644
--- a/plugins/channelrx/demoddsd/dsddemod.cpp
+++ b/plugins/channelrx/demoddsd/dsddemod.cpp
@@ -1155,13 +1155,14 @@ void DSDDemod::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, co
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgChannelSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgChannelSettings;
 }
@@ -1176,10 +1177,13 @@ void DSDDemod::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("DSDDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("DSDDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/channelrx/demodfreedv/freedvdemod.cpp b/plugins/channelrx/demodfreedv/freedvdemod.cpp
index 894d6aa6f..af2c02934 100644
--- a/plugins/channelrx/demodfreedv/freedvdemod.cpp
+++ b/plugins/channelrx/demodfreedv/freedvdemod.cpp
@@ -1058,13 +1058,14 @@ void FreeDVDemod::webapiReverseSendSettings(QList<QString>& channelSettingsKeys,
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgChannelSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgChannelSettings;
 }
@@ -1079,12 +1080,15 @@ void FreeDVDemod::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("FreeDVDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("FreeDVDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
 
 void FreeDVDemod::timerHandlerFunction()
diff --git a/plugins/channelrx/demodnfm/nfmdemod.cpp b/plugins/channelrx/demodnfm/nfmdemod.cpp
index f750ec1b9..679c65390 100644
--- a/plugins/channelrx/demodnfm/nfmdemod.cpp
+++ b/plugins/channelrx/demodnfm/nfmdemod.cpp
@@ -937,13 +937,14 @@ void NFMDemod::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, co
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgChannelSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgChannelSettings;
 }
@@ -958,10 +959,13 @@ void NFMDemod::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("NFMDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("NFMDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/channelrx/demodssb/ssbdemod.cpp b/plugins/channelrx/demodssb/ssbdemod.cpp
index f870adbe6..2ff37758f 100644
--- a/plugins/channelrx/demodssb/ssbdemod.cpp
+++ b/plugins/channelrx/demodssb/ssbdemod.cpp
@@ -950,13 +950,14 @@ void SSBDemod::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, co
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgChannelSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgChannelSettings;
 }
@@ -971,10 +972,13 @@ void SSBDemod::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("SSBDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("SSBDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/channelrx/demodwfm/wfmdemod.cpp b/plugins/channelrx/demodwfm/wfmdemod.cpp
index eb93adbb1..6f4ad5515 100644
--- a/plugins/channelrx/demodwfm/wfmdemod.cpp
+++ b/plugins/channelrx/demodwfm/wfmdemod.cpp
@@ -665,13 +665,14 @@ void WFMDemod::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, co
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgChannelSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgChannelSettings;
 }
@@ -686,10 +687,13 @@ void WFMDemod::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("WFMDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("WFMDemod::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/channelrx/freqtracker/freqtracker.cpp b/plugins/channelrx/freqtracker/freqtracker.cpp
index 586ad38d6..4bf95a756 100644
--- a/plugins/channelrx/freqtracker/freqtracker.cpp
+++ b/plugins/channelrx/freqtracker/freqtracker.cpp
@@ -760,13 +760,14 @@ void FreqTracker::webapiReverseSendSettings(QList<QString>& channelSettingsKeys,
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgChannelSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgChannelSettings;
 }
@@ -781,12 +782,15 @@ void FreqTracker::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("FreqTracker::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("FreqTracker::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
 
 void FreqTracker::tick()
diff --git a/plugins/channelrx/localsink/localsink.cpp b/plugins/channelrx/localsink/localsink.cpp
index faeed9e71..b2d5cfefb 100644
--- a/plugins/channelrx/localsink/localsink.cpp
+++ b/plugins/channelrx/localsink/localsink.cpp
@@ -515,13 +515,14 @@ void LocalSink::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, c
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgChannelSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgChannelSettings;
 }
@@ -536,10 +537,13 @@ void LocalSink::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("LocalSink::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("LocalSink::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/channelrx/remotesink/remotesink.cpp b/plugins/channelrx/remotesink/remotesink.cpp
index 60e6e2355..80bd1e67b 100644
--- a/plugins/channelrx/remotesink/remotesink.cpp
+++ b/plugins/channelrx/remotesink/remotesink.cpp
@@ -657,13 +657,14 @@ void RemoteSink::webapiReverseSendSettings(QList<QString>& channelSettingsKeys,
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgChannelSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgChannelSettings;
 }
@@ -678,10 +679,13 @@ void RemoteSink::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("RemoteSink::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("RemoteSink::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/channelrx/udpsink/udpsink.cpp b/plugins/channelrx/udpsink/udpsink.cpp
index 683cf332b..594c77a4d 100644
--- a/plugins/channelrx/udpsink/udpsink.cpp
+++ b/plugins/channelrx/udpsink/udpsink.cpp
@@ -1012,13 +1012,14 @@ void UDPSink::webapiReverseSendSettings(QList<QString>& channelSettingsKeys, con
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgChannelSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgChannelSettings;
 }
@@ -1033,10 +1034,13 @@ void UDPSink::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("UDPSink::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("UDPSink::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/airspy/airspyinput.cpp b/plugins/samplesource/airspy/airspyinput.cpp
index a8e482db1..35ee6ee58 100644
--- a/plugins/samplesource/airspy/airspyinput.cpp
+++ b/plugins/samplesource/airspy/airspyinput.cpp
@@ -865,13 +865,14 @@ void AirspyInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys,
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -890,17 +891,19 @@ void AirspyInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -914,10 +917,13 @@ void AirspyInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("AirspyInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("AirspyInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/airspyhf/airspyhfinput.cpp b/plugins/samplesource/airspyhf/airspyhfinput.cpp
index 6f6992e99..c996e8c21 100644
--- a/plugins/samplesource/airspyhf/airspyhfinput.cpp
+++ b/plugins/samplesource/airspyhf/airspyhfinput.cpp
@@ -889,13 +889,14 @@ void AirspyHFInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -914,17 +915,19 @@ void AirspyHFInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -938,10 +941,13 @@ void AirspyHFInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("AirspyHFInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("AirspyHFInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/bladerf1input/bladerf1input.cpp b/plugins/samplesource/bladerf1input/bladerf1input.cpp
index 49ddbb375..5dcc17197 100644
--- a/plugins/samplesource/bladerf1input/bladerf1input.cpp
+++ b/plugins/samplesource/bladerf1input/bladerf1input.cpp
@@ -832,13 +832,14 @@ void Bladerf1Input::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -857,17 +858,19 @@ void Bladerf1Input::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -881,10 +884,13 @@ void Bladerf1Input::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("Bladerf1Input::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("Bladerf1Input::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/bladerf2input/bladerf2input.cpp b/plugins/samplesource/bladerf2input/bladerf2input.cpp
index 0c6d6fb4e..500be6130 100644
--- a/plugins/samplesource/bladerf2input/bladerf2input.cpp
+++ b/plugins/samplesource/bladerf2input/bladerf2input.cpp
@@ -1309,13 +1309,14 @@ void BladeRF2Input::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -1334,17 +1335,19 @@ void BladeRF2Input::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -1358,10 +1361,13 @@ void BladeRF2Input::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("BladeRF2Input::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("BladeRF2Input::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/fcdpro/fcdproinput.cpp b/plugins/samplesource/fcdpro/fcdproinput.cpp
index eb8805c35..b252c5ddf 100644
--- a/plugins/samplesource/fcdpro/fcdproinput.cpp
+++ b/plugins/samplesource/fcdpro/fcdproinput.cpp
@@ -1121,13 +1121,14 @@ void FCDProInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys,
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -1146,17 +1147,19 @@ void FCDProInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -1170,10 +1173,13 @@ void FCDProInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("FCDProInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("FCDProInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/fcdproplus/fcdproplusinput.cpp b/plugins/samplesource/fcdproplus/fcdproplusinput.cpp
index 7cbbfc22f..0369b1c99 100644
--- a/plugins/samplesource/fcdproplus/fcdproplusinput.cpp
+++ b/plugins/samplesource/fcdproplus/fcdproplusinput.cpp
@@ -785,13 +785,14 @@ void FCDProPlusInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKe
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -810,17 +811,19 @@ void FCDProPlusInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -834,10 +837,13 @@ void FCDProPlusInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("FCDProPlusInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("FCDProPlusInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/fileinput/fileinput.cpp b/plugins/samplesource/fileinput/fileinput.cpp
index 264e666bd..2eafef0e8 100644
--- a/plugins/samplesource/fileinput/fileinput.cpp
+++ b/plugins/samplesource/fileinput/fileinput.cpp
@@ -629,13 +629,14 @@ void FileInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys, co
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -654,17 +655,19 @@ void FileInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -678,10 +681,13 @@ void FileInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("FileInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("FileInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/hackrfinput/hackrfinput.cpp b/plugins/samplesource/hackrfinput/hackrfinput.cpp
index cc903dab3..068f83639 100644
--- a/plugins/samplesource/hackrfinput/hackrfinput.cpp
+++ b/plugins/samplesource/hackrfinput/hackrfinput.cpp
@@ -819,13 +819,14 @@ void HackRFInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys,
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -844,17 +845,19 @@ void HackRFInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -868,10 +871,13 @@ void HackRFInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("HackRFInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("HackRFInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/kiwisdr/kiwisdrinput.cpp b/plugins/samplesource/kiwisdr/kiwisdrinput.cpp
index 065ba0217..7e4ee8086 100644
--- a/plugins/samplesource/kiwisdr/kiwisdrinput.cpp
+++ b/plugins/samplesource/kiwisdr/kiwisdrinput.cpp
@@ -517,13 +517,14 @@ void KiwiSDRInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys,
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -542,17 +543,19 @@ void KiwiSDRInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -566,10 +569,13 @@ void KiwiSDRInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("KiwiSDRInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("KiwiSDRInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/limesdrinput/limesdrinput.cpp b/plugins/samplesource/limesdrinput/limesdrinput.cpp
index f0b42a86b..cd86b9f39 100644
--- a/plugins/samplesource/limesdrinput/limesdrinput.cpp
+++ b/plugins/samplesource/limesdrinput/limesdrinput.cpp
@@ -1762,13 +1762,14 @@ void LimeSDRInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys,
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -1787,17 +1788,19 @@ void LimeSDRInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -1811,10 +1814,13 @@ void LimeSDRInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("LimeSDRInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("LimeSDRInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/localinput/localinput.cpp b/plugins/samplesource/localinput/localinput.cpp
index 3b87f5fe6..da9fd6418 100644
--- a/plugins/samplesource/localinput/localinput.cpp
+++ b/plugins/samplesource/localinput/localinput.cpp
@@ -430,13 +430,14 @@ void LocalInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys, c
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -455,17 +456,19 @@ void LocalInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -479,10 +482,13 @@ void LocalInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("LocalInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("LocalInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/perseus/perseusinput.cpp b/plugins/samplesource/perseus/perseusinput.cpp
index cfe4bd91f..17778e1a7 100644
--- a/plugins/samplesource/perseus/perseusinput.cpp
+++ b/plugins/samplesource/perseus/perseusinput.cpp
@@ -670,13 +670,14 @@ void PerseusInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys,
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -695,17 +696,19 @@ void PerseusInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -719,10 +722,13 @@ void PerseusInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("PerseusInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("PerseusInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/plutosdrinput/plutosdrinput.cpp b/plugins/samplesource/plutosdrinput/plutosdrinput.cpp
index 4585e9974..a3b8d7ec8 100644
--- a/plugins/samplesource/plutosdrinput/plutosdrinput.cpp
+++ b/plugins/samplesource/plutosdrinput/plutosdrinput.cpp
@@ -1045,13 +1045,14 @@ void PlutoSDRInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -1070,17 +1071,19 @@ void PlutoSDRInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -1094,10 +1097,13 @@ void PlutoSDRInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("PlutoSDRInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("PlutoSDRInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/remoteinput/remoteinput.cpp b/plugins/samplesource/remoteinput/remoteinput.cpp
index 383f662b8..f40f8ac98 100644
--- a/plugins/samplesource/remoteinput/remoteinput.cpp
+++ b/plugins/samplesource/remoteinput/remoteinput.cpp
@@ -479,13 +479,14 @@ void RemoteInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys,
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -504,17 +505,19 @@ void RemoteInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -528,10 +531,13 @@ void RemoteInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("RemoteInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("RemoteInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/remoteinput/remoteinputgui.cpp b/plugins/samplesource/remoteinput/remoteinputgui.cpp
index 31dd0649d..3a5415a13 100644
--- a/plugins/samplesource/remoteinput/remoteinputgui.cpp
+++ b/plugins/samplesource/remoteinput/remoteinputgui.cpp
@@ -580,38 +580,41 @@ void RemoteInputGui::networkManagerFinished(QNetworkReply *reply)
     {
         ui->apiAddressLabel->setStyleSheet("QLabel { background:rgb(79,79,79); }");
         ui->statusText->setText(reply->errorString());
-        return;
     }
-
-    QString answer = reply->readAll();
-
-    try
+    else
     {
-        QByteArray jsonBytes(answer.toStdString().c_str());
-        QJsonParseError error;
-        QJsonDocument doc = QJsonDocument::fromJson(jsonBytes, &error);
+        QString answer = reply->readAll();
 
-        if (error.error == QJsonParseError::NoError)
+        try
         {
-            ui->apiAddressLabel->setStyleSheet("QLabel { background-color : green; }");
-            ui->statusText->setText(QString("API OK"));
-            analyzeApiReply(doc.object());
+            QByteArray jsonBytes(answer.toStdString().c_str());
+            QJsonParseError error;
+            QJsonDocument doc = QJsonDocument::fromJson(jsonBytes, &error);
+
+            if (error.error == QJsonParseError::NoError)
+            {
+                ui->apiAddressLabel->setStyleSheet("QLabel { background-color : green; }");
+                ui->statusText->setText(QString("API OK"));
+                analyzeApiReply(doc.object());
+            }
+            else
+            {
+                ui->apiAddressLabel->setStyleSheet("QLabel { background:rgb(79,79,79); }");
+                QString errorMsg = QString("Reply JSON error: ") + error.errorString() + QString(" at offset ") + QString::number(error.offset);
+                ui->statusText->setText(QString("JSON error. See log"));
+                qInfo().noquote() << "RemoteInputGui::networkManagerFinished" << errorMsg;
+            }
         }
-        else
+        catch (const std::exception& ex)
         {
             ui->apiAddressLabel->setStyleSheet("QLabel { background:rgb(79,79,79); }");
-            QString errorMsg = QString("Reply JSON error: ") + error.errorString() + QString(" at offset ") + QString::number(error.offset);
-            ui->statusText->setText(QString("JSON error. See log"));
+            QString errorMsg = QString("Error parsing request: ") + ex.what();
+            ui->statusText->setText("Error parsing request. See log for details");
             qInfo().noquote() << "RemoteInputGui::networkManagerFinished" << errorMsg;
         }
     }
-    catch (const std::exception& ex)
-    {
-        ui->apiAddressLabel->setStyleSheet("QLabel { background:rgb(79,79,79); }");
-        QString errorMsg = QString("Error parsing request: ") + ex.what();
-        ui->statusText->setText("Error parsing request. See log for details");
-        qInfo().noquote() << "RemoteInputGui::networkManagerFinished" << errorMsg;
-    }
+
+    reply->deleteLater();
 }
 
 void RemoteInputGui::analyzeApiReply(const QJsonObject& jsonObject)
diff --git a/plugins/samplesource/rtlsdr/rtlsdrinput.cpp b/plugins/samplesource/rtlsdr/rtlsdrinput.cpp
index d1d4b78c0..b8903a07e 100644
--- a/plugins/samplesource/rtlsdr/rtlsdrinput.cpp
+++ b/plugins/samplesource/rtlsdr/rtlsdrinput.cpp
@@ -833,13 +833,14 @@ void RTLSDRInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys,
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -858,17 +859,19 @@ void RTLSDRInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -882,10 +885,13 @@ void RTLSDRInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("RTLSDRInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("RTLSDRInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/sdrplay/sdrplayinput.cpp b/plugins/samplesource/sdrplay/sdrplayinput.cpp
index 6f17bf56a..3fc912cbc 100644
--- a/plugins/samplesource/sdrplay/sdrplayinput.cpp
+++ b/plugins/samplesource/sdrplay/sdrplayinput.cpp
@@ -921,13 +921,14 @@ void SDRPlayInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys,
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -946,17 +947,19 @@ void SDRPlayInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -970,12 +973,15 @@ void SDRPlayInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("SDRPlayInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("SDRPlayInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
 
 // ====================================================================
diff --git a/plugins/samplesource/soapysdrinput/soapysdrinput.cpp b/plugins/samplesource/soapysdrinput/soapysdrinput.cpp
index 056e150fe..58b2d2e5b 100644
--- a/plugins/samplesource/soapysdrinput/soapysdrinput.cpp
+++ b/plugins/samplesource/soapysdrinput/soapysdrinput.cpp
@@ -2010,13 +2010,14 @@ void SoapySDRInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -2035,17 +2036,19 @@ void SoapySDRInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -2059,10 +2062,13 @@ void SoapySDRInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("SoapySDRInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("SoapySDRInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/testsource/testsourceinput.cpp b/plugins/samplesource/testsource/testsourceinput.cpp
index d8c296b42..886f0caae 100644
--- a/plugins/samplesource/testsource/testsourceinput.cpp
+++ b/plugins/samplesource/testsource/testsourceinput.cpp
@@ -697,7 +697,7 @@ void TestSourceInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKe
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
@@ -705,7 +705,8 @@ void TestSourceInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKe
 //    qDebug("TestSourceInput::webapiReverseSendSettings: query:\n%s", swgDeviceSettings->asJson().toStdString().c_str());
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -724,17 +725,19 @@ void TestSourceInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(channelSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -748,10 +751,13 @@ void TestSourceInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("TestSourceInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("TestSourceInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }
diff --git a/plugins/samplesource/xtrxinput/xtrxinput.cpp b/plugins/samplesource/xtrxinput/xtrxinput.cpp
index dbd3e22ac..f62519051 100644
--- a/plugins/samplesource/xtrxinput/xtrxinput.cpp
+++ b/plugins/samplesource/xtrxinput/xtrxinput.cpp
@@ -1612,13 +1612,14 @@ void XTRXInput::webapiReverseSendSettings(QList<QString>& deviceSettingsKeys, co
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
 
     // Always use PATCH to avoid passing reverse API settings
-    m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    QNetworkReply *reply = m_networkManager->sendCustomRequest(m_networkRequest, "PATCH", buffer);
+    buffer->setParent(reply);
 
     delete swgDeviceSettings;
 }
@@ -1637,17 +1638,19 @@ void XTRXInput::webapiReverseSendStartStop(bool start)
     m_networkRequest.setUrl(QUrl(deviceSettingsURL));
     m_networkRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
 
-    QBuffer *buffer=new QBuffer();
+    QBuffer *buffer = new QBuffer();
     buffer->open((QBuffer::ReadWrite));
     buffer->write(swgDeviceSettings->asJson().toUtf8());
     buffer->seek(0);
+    QNetworkReply *reply;
 
     if (start) {
-        m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "POST", buffer);
     } else {
-        m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
+        reply = m_networkManager->sendCustomRequest(m_networkRequest, "DELETE", buffer);
     }
 
+    buffer->setParent(reply);
     delete swgDeviceSettings;
 }
 
@@ -1661,10 +1664,13 @@ void XTRXInput::networkManagerFinished(QNetworkReply *reply)
                 << " error(" << (int) replyError
                 << "): " << replyError
                 << ": " << reply->errorString();
-        return;
+    }
+    else
+    {
+        QString answer = reply->readAll();
+        answer.chop(1); // remove last \n
+        qDebug("XTRXInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
     }
 
-    QString answer = reply->readAll();
-    answer.chop(1); // remove last \n
-    qDebug("XTRXInput::networkManagerFinished: reply:\n%s", answer.toStdString().c_str());
+    reply->deleteLater();
 }