From 1428a9fa586cb80acf98289f797f58b8bd662598 Mon Sep 17 00:00:00 2001
From: Olaf Hering <olaf@aepfle.de>
Date: Tue, 18 Mar 2008 06:53:05 +1100
Subject: [PATCH] [POWERPC] Fix crash in init_ipic_sysfs on efika

The global primary_ipic in arch/powerpc/sysdev/ipic.c can remain NULL
if ipic_init() fails, which will happen on machines that don't have an
ipic interrupt controller.  init_ipic_sysfs() will crash in that case.

Acked-by: Grant Likely <grant.likely@secretlab.ca>

Signed-off-by: Paul Mackerras <paulus@samba.org>
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