powerpc/pseries/hvcserver: don't memset pi_buff if it is null

[Michael Ellerman]

On Thu, 2015-08-10 at 19:00:58 UTC, Colin King wrote:
> From: Colin Ian King <colin.king at canonical.com>
> 
> pi_buff is being memset before it is sanity checked. Move the
> memset after the null pi_buff sanity check to avoid an oops.
> 
> Signed-off-by: Colin Ian King <colin.king at canonical.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/c13e1c05b22b504bf0d72fc7

cheers