cd(4) M_WAITOK allocations with periph lock held

[Jaakko Heinonen]

Hi,

On 2009-12-01, Scott Long wrote:
> How about the attached match instead.  It refactors the code so that 
> unlocks aren't needed.

Looks OK to me. Some nits below.

>  bailout:
> +	xpt_release_ccb(ccb);
> +	cam_periph_unlock(periph);
> +

The file seems to have an empty line after labels in other places. Maybe
put one here too.

>  bailout:
>  
> +	xpt_release_ccb(ccb);
> +	cam_periph_unlock(periph);

You can remove the now unused "bailout:" label from cdsendkey().

Do you want to commit it?

Thanks.
-- 
Jaakko