diff options
| -rw-r--r-- | src/serialbus/qmodbuspdu.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/serialbus/qmodbuspdu.cpp b/src/serialbus/qmodbuspdu.cpp index 350dc76..d3870f8 100644 --- a/src/serialbus/qmodbuspdu.cpp +++ b/src/serialbus/qmodbuspdu.cpp @@ -105,9 +105,10 @@ static int minimumDataSize(const QModbusPdu &pdu, Type type) static QDataStream &pduFromStream(QDataStream &stream, QModbusPdu &pdu, Type type) { - QModbusPdu::FunctionCode code = QModbusPdu::Invalid; - if (stream.readRawData((char *) (&code), sizeof(quint8)) != sizeof(quint8)) + quint8 codeByte = 0; + if (stream.readRawData((char *) (&codeByte), sizeof(quint8)) != sizeof(quint8)) return stream; + QModbusPdu::FunctionCode code = (QModbusPdu::FunctionCode) codeByte; pdu.setFunctionCode(code); auto needsAdditionalRead = [](QModbusPdu &pdu, int size) -> bool { |