diff options
Diffstat (limited to 'src/network/socket/qabstractsocket.cpp')
-rw-r--r-- | src/network/socket/qabstractsocket.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/network/socket/qabstractsocket.cpp b/src/network/socket/qabstractsocket.cpp index 13e10e4102..4d9fda00ce 100644 --- a/src/network/socket/qabstractsocket.cpp +++ b/src/network/socket/qabstractsocket.cpp @@ -1609,7 +1609,10 @@ bool QAbstractSocketPrivate::bind(const QHostAddress &address, quint16 port, QAb localPort = socketEngine->localPort(); emit q->stateChanged(state); - if (socketType == QAbstractSocket::UdpSocket) + // A slot attached to stateChanged() signal can break our invariant: + // by closing the socket it will reset its socket engine - thus we + // have additional check (isValid()) ... + if (q->isValid() && socketType == QAbstractSocket::UdpSocket) socketEngine->setReadNotificationEnabled(true); return true; } |