tree 2b17401ea116e80f5c36b228d349e48dc7f9c9af
parent 7025776ed1ebdfa1959932e7a4662c2f88607df0
author Benjamin Herrenschmidt <benh@kernel.crashing.org> 1467695039 +1000
committer Michael Ellerman <mpe@ellerman.id.au> 1469091561 +1000

powerpc: Ensure that ppc_md is empty before probing for machine type

Anything in there will be overwritten, so it helps catching nasty
bugs if we check that it's indeed full of NULL's before we do so.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>