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SubjectRe: [PATCH] missing NULL check in drivers/char/n_tty.c
On Sun, Jun 20, 2004 at 11:58:24PM -0700, Andrew Morton wrote:
> Dan Aloni <da-x@gmx.net> wrote:
> >
> > The rest of the kernel treats tty->driver->chars_in_buffer as a possible
> > NULL. This patch changes normal_poll() to be consistent with the rest of
> > the code.
>
> It would be better to change the rest of the kernel - remove the tests.
>
> If any driver fails to implement ->chars_in_buffer() then we get a nice
> oops which tells us that driver needs a stub handler.

Are you sure that it won't affect the logic in tty_wait_until_sent()
drastically? It acts quite differently when ->chars_in_buffer == NULL.

--
Dan Aloni
da-x@colinux.org
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