Re: [PATCH printk v2 1/5] kdb: do not assume write() callback available

[Daniel Thompson]

On Mon, Jul 10, 2023 at 03:51:20PM +0206, John Ogness wrote:
> It is allowed for consoles to provide no write() callback. For
> example ttynull does this.
>
> Check if a write() callback is available before using it.
>
> Signed-off-by: John Ogness <john.ogness@xxxxxxxxxxxxx>
> Reviewed-by: Petr Mladek <pmladek@xxxxxxxx>
> Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> Reviewed-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>

For v1 I shared an ack rather than queuing the patch. Although reading
the thread back it is possible that was based on a misunderstanding
(https://lore.kernel.org/lkml/20230309113020.GA78621@xxxxxxxxx/ ).

Anyhow, it looks like you have designed the new series to be picked
individually?


Daniel.