diff options
Diffstat (limited to 'win/tclWinSerial.c')
| -rw-r--r-- | win/tclWinSerial.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/win/tclWinSerial.c b/win/tclWinSerial.c index 62af1c5..a55a23f 100644 --- a/win/tclWinSerial.c +++ b/win/tclWinSerial.c @@ -1458,7 +1458,7 @@ TclWinOpenSerialChannel( infoPtr = (SerialInfo *)ckalloc(sizeof(SerialInfo)); memset(infoPtr, 0, sizeof(SerialInfo)); - infoPtr->validMask = permissions; + infoPtr->validMask = permissions & (TCL_READABLE|TCL_WRITABLE); infoPtr->handle = handle; infoPtr->channel = (Tcl_Channel) NULL; infoPtr->readable = 0; |