powerpc/mm: Return directly after a failed __copy_from_user() in sys_subpage_prot()

[Michael Ellerman]

On Sat, 2017-01-21 at 15:24:58 UTC, SF Markus Elfring wrote:
> From: Markus Elfring <elfring at users.sourceforge.net>
> Date: Sat, 21 Jan 2017 16:10:50 +0100
> 
> * Return directly after a call of the function "__copy_from_user"
>   failed here.
> 
>   This issue was detected by using the Coccinelle software.
> 
> * Delete the jump label "out2" which became unnecessary with
>   this refactoring.
> 
> Signed-off-by: Markus Elfring <elfring at users.sourceforge.net>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/a967f161abc7c4a6936ceb15737f75

cheers