Exit more gracefuly on protocol violations

Change-Id: Ie797b505e67f02e65cfff3b25d49ddae523f4131
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@qt.io>

1 files changed, 4 insertions, 1 deletions

diff --git a/src/mqtt/qmqttconnection.cpp b/src/mqtt/qmqttconnection.cpp
index 3c33d7d..29c734c 100644
--- a/src/mqtt/qmqttconnection.cpp
+++ b/src/mqtt/qmqttconnection.cpp
@@ -1749,9 +1749,12 @@ bool QMqttConnection::processDataHelper()
         default:
             qCDebug(lcMqttConnection) << "Unknown packet to finalize.";
             closeConnection(QMqttClient::ProtocolViolation);
-            return false;
+            break;
         }
 
+        if (m_internalState == BrokerDisconnected)
+            return false;
+
         Q_ASSERT(m_missingData == 0);
 
         m_readBuffer = m_readBuffer.mid(m_readPosition);