diff options
| -rw-r--r-- | src/bluetooth/qbluetoothsocket.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/bluetooth/qbluetoothsocket.cpp b/src/bluetooth/qbluetoothsocket.cpp index f1e5568e..be099622 100644 --- a/src/bluetooth/qbluetoothsocket.cpp +++ b/src/bluetooth/qbluetoothsocket.cpp @@ -648,6 +648,13 @@ quint16 QBluetoothSocket::peerPort() const qint64 QBluetoothSocket::writeData(const char *data, qint64 maxSize) { Q_D(QBluetoothSocket); + + if (!data || maxSize <= 0) { + d_ptr->errorString = tr("Invalid data/data size"); + setSocketError(QBluetoothSocket::OperationError); + return -1; + } + return d->writeData(data, maxSize); } |