powerpc/pmac: Fix SMP kernels on pre-core99 UP machines
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>
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@ -414,7 +414,7 @@ static struct irqaction psurge_irqaction = {
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static void __init smp_psurge_setup_cpu(int cpu_nr)
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{
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if (cpu_nr != 0)
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if (cpu_nr != 0 || !psurge_start)
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return;
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/* reset the entry point so if we get another intr we won't
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