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sparse irq_desc[] array: core kernel and x86 changes
[deliverable/linux.git]
/
arch
/
x86
/
kernel
/
irq.c
diff --git
a/arch/x86/kernel/irq.c
b/arch/x86/kernel/irq.c
index d1d4dc52f649cdd90f360d042b1055d7694f4e59..3f1d9d18df679c858bda94daae4d578c0d8cbf93 100644
(file)
--- a/
arch/x86/kernel/irq.c
+++ b/
arch/x86/kernel/irq.c
@@
-118,6
+118,9
@@
int show_interrupts(struct seq_file *p, void *v)
}
desc = irq_to_desc(i);
+ if (!desc)
+ return 0;
+
spin_lock_irqsave(&desc->lock, flags);
#ifndef CONFIG_SMP
any_count = kstat_irqs(i);
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