diff options
-rw-r--r-- | src/serialport/qserialport_win.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/serialport/qserialport_win.cpp b/src/serialport/qserialport_win.cpp index 84bf5b9..0494889 100644 --- a/src/serialport/qserialport_win.cpp +++ b/src/serialport/qserialport_win.cpp @@ -545,7 +545,7 @@ bool QSerialPortPrivate::startAsyncRead() if (readBufferMaxSize && bytesToRead > (readBufferMaxSize - buffer.size())) { bytesToRead = readBufferMaxSize - buffer.size(); - if (bytesToRead == 0) { + if (bytesToRead <= 0) { // Buffer is full. User must read data from the buffer // before we can read more from the port. return false; |