1 files changed, 3 insertions, 2 deletions
diff --git a/src/plugins/platforms/qnx/qqnxbuttoneventnotifier.cpp b/src/plugins/platforms/qnx/qqnxbuttoneventnotifier.cpp
index a08ac2b839..a6236f2376 100644
--- a/src/plugins/platforms/qnx/qqnxbuttoneventnotifier.cpp
+++ b/src/plugins/platforms/qnx/qqnxbuttoneventnotifier.cpp
@@ -67,6 +67,7 @@ QQnxButtonEventNotifier::QQnxButtonEventNotifier(QObject *parent)
     // fetch the new button ids
     int enumeratorIndex = QQnxButtonEventNotifier::staticMetaObject.indexOfEnumerator(QByteArrayLiteral("ButtonId"));
     QMetaEnum enumerator = QQnxButtonEventNotifier::staticMetaObject.enumerator(enumeratorIndex);
+    m_buttonKeys.reserve(ButtonCount - bid_minus);
     for (int buttonId = bid_minus; buttonId < ButtonCount; ++buttonId) {
         m_buttonKeys.append(enumerator.valueToKey(buttonId));
         m_state[buttonId] = ButtonUp;
@@ -97,7 +98,7 @@ void QQnxButtonEventNotifier::start()
     m_readNotifier = new QSocketNotifier(m_fd, QSocketNotifier::Read);
     QObject::connect(m_readNotifier, SIGNAL(activated(int)), this, SLOT(updateButtonStates()));
 
-    qButtonDebug() << "successfully connected to Navigator. fd =" << m_fd;
+    qButtonDebug("successfully connected to Navigator. fd = %d", m_fd);
 }
 
 void QQnxButtonEventNotifier::updateButtonStates()
@@ -121,7 +122,7 @@ void QQnxButtonEventNotifier::updateButtonStates()
     // Ensure data is null terminated
     buffer[bytes] = '\0';
 
-    qButtonDebug() << "received PPS message:\n" << buffer;
+    qButtonDebug("received PPS message:\n%s", buffer);
 
     // Process received message
     QByteArray ppsData = QByteArray::fromRawData(buffer, bytes);