Line discipline

[Samuel Thibault]

Okash Khawaja, on Thu 26 Jan 2017 08:24:29 +0000, wrote:
> >> +static void speakup_ldisc_close(struct tty_struct *tty)
> >> +{
> >> +    pr_warn("speakup_test_close()\n");
> >
> > Does it get called at speakup_dummy removal time?
> 
> No

Ok.  I guess what we are missing is some part of the rest of
tty_release(). We notably seem to be lacking tty_ldisc_release(tty);
between tty_unlock and tty_flush_works.

Samuel