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powerpc/pmac: Fix SMP kernels on pre-core99 UP machines

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The code for "powersurge" SMP would kick in and cause a crash
at boot due to the lack of a NULL test.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2011-12-09 15:06:18 +11:00
parent 8e609d5e7b
commit 78c5c68a4c
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/platforms/powermac/smp.c
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@ -414,7 +414,7 @@ static struct irqaction psurge_irqaction = {
static void __init smp_psurge_setup_cpu(int cpu_nr)
{
if (cpu_nr != 0)
if (cpu_nr != 0 || !psurge_start)
return;
/* reset the entry point so if we get another intr we won't