[v2] powerpc/fadump: return error when fadump registration fails

[Michael Ellerman]

On Sat, 2017-05-27 at 15:46:15 UTC, Michal Suchanek wrote:
> - log an error message when registration fails and no error code listed
>  in the switch is returned
>  - translate the hv error code to posix error code and return it from
>  fw_register
>  - return the posix error code from fw_register to the process writing
>  to sysfs
>  - return EEXIST on re-registration
>  - return success on deregistration when fadump is not registered
>  - return ENODEV when no memory is reserved for fadump
> 
> Signed-off-by: Michal Suchanek <msuchanek at suse.de>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/98b8cd7f75643e0a442d7a4c1cef2c

cheers