Hi, I have a question concerning the line discipline behaviour for serial devices. When the line discipline is set via ioctl from user space to e.g. N_PPP and the userspace program returns without resetting the line discipline back to N_TTY, the serial device cannot be used (ENODV) until an appropriate ioctl (to N_TTY) is performed. Is there any reason for the fact that the line discipline is not reset by the kernel , when closing the device.
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