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SubjectRe: [PATCH 1/6] tty: implement write_iter
On Thu, Jan 21, 2021 at 09:44:17AM -0800, Linus Torvalds wrote:
> On Thu, Jan 21, 2021 at 1:40 AM Jiri Slaby <jirislaby@kernel.org> wrote:
> >
> > Ok, here belongs my earlier note: "if ld == NULL => crash here." That is
> > if hangup happens during the ldisc wait, the kernel will crash in
> > tty_ldisc_deref.
>
> Right you are, good catch.
>
> > Is there a reason not to convert hung_up_tty_fops too and leave the
> > return hung_up_tty_write here intact? This would also solve the comments
> > above.
>
> No, no reason. I started out just changing that one tty_write, then
> noticed that I had to change the redirect case too, but never then got
> to "yeah, I should have changed the hup case as well".
>
> Greg, do you prefer a new series, or incremental patches?

Incremental patches please as these are already in my public branches
and I would have to revert them and add new ones but that's messy, so
fixes on top is fine.

thanks,

greg k-h

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