Re: [PATCH] n_tty: fix redirected_tty_write checks after write_iter conversion

[Sami Tolvanen]

On Mon, Jan 25, 2021 at 11:45 AM Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Mon, Jan 25, 2021 at 11:27 AM Linus Torvalds
> <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > Obvious ACK from me.
>
> Greg - if you have nothing else lined up in the tty tree, I can take
> this fix directly if it's easier.
>
> And Sami - how did you actually notice? Some lint-like tool, or is
> there something that actually broke from n_tty not handling a
> redirected tty right?

Neither, I noticed this because the conflicting function declarations
broke Clang's Control Flow Integrity checking.

Sami