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

[Sergey Senozhatsky]

On (23/07/10 15:51), 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>

Reviewed-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>