unaddressed issues around tty_open_by_driver

[Samuel Thibault]

Okash Khawaja, on dim. 25 juin 2017 10:21:26 +0100, wrote:
> Third one is interesting. I haven't investigated it yet, but it seems to
> throw a kernel oops from tty_ldisc_reinit.

So it's probably some missing cleanups in the speakup code, which just
needs fixing :)

> We can avoid 2 and 3 above by calling tty_open_by_driver only when
> speakup is built into kernel and not when loaded as module.

That looks odd to me :)

Samuel