From: Alastair Bridgewater <alastair.bridgewater@gmail.com>
Date: Sat, 12 Jun 2010 15:36:48 +0000 (+0000)
Subject: powerpc: Fix mpic_resume on early G5 macs
X-Git-Tag: v2.6.35-rc4~69^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c9d93604b25c25dc059e2b12ad5e89ca3ed4376;p=pandora-kernel.git

powerpc: Fix mpic_resume on early G5 macs

mpic_resume() on G5 macs blindly dereferences mpic->fixups, but
it may legitimately be NULL (as on PowerMac7,2).  Add an explicit
check.

This fixes suspend-to-disk with one processor (maxcpus=1) for me.

Signed-off-by: Alastair Bridgewater <alastair.bridgewater@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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