[PATCH 05/43] fbdev/deferred-io: Test smem_start for I/O memory

[Javier Martinez Canillas]

Thomas Zimmermann <tzimmermann at suse.de> writes:

> Test smem_start before looking up pages from its value. Return
> NULL if it is unset. This will result in a SIGBUS signal.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> ---

Reviewed-by: Javier Martinez Canillas <javierm at redhat.com>

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat