Re: [PATCH 2/2] tty-ldisc: turn ldisc user count into a proper refcount

[OGAWA Hirofumi]

Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> writes:

> Whatever. The patch _looks_ sensible to me. The only users of ldisc->users 
> are:
>  - get_ldisc() - atomically increment the count
>
>  - put_ldisc() - atomically decrements the count and releases if zero
>
>  - tty_ldisc_try_get() - creates the ldisc, and sets the count to 1.
>    The ldisc should then either be released, or be attached to a tty.
>
> Comments? Testing?

This works for me. And it seems there is no refcount leak in this
shutdown case.

Thanks.
-- 
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
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