// Does the system allows us to place a lock on this file descriptor
if (fcntl(sp->fd, F_SETLK, &fl) == -1) {
// A conflicting lock is held by another process
+ free(sp);
return CLAIMED_SERIAL_PORT;
}
memset(&sp->dcb, 0, sizeof(DCB));
sp->dcb.DCBlength = sizeof(DCB);
if(!BuildCommDCBA("baud=9600 data=8 parity=N stop=1",&sp->dcb)) {
- uart_close(sp);
- return INVALID_SERIAL_PORT;
- }
+ uart_close(sp);
+ return INVALID_SERIAL_PORT;
+ }
// Update the active serial port
if(!SetCommState(sp->hPort,&sp->dcb)) {