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-rw-r--r--arch/i386/kernel/irq.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c
index c703bc7b088..9eec9435318 100644
--- a/arch/i386/kernel/irq.c
+++ b/arch/i386/kernel/irq.c
@@ -60,6 +60,12 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs)
u32 *isp;
#endif
+ if (unlikely((unsigned)irq >= NR_IRQS)) {
+ printk(KERN_EMERG "%s: cannot handle IRQ %d\n",
+ __FUNCTION__, irq);
+ BUG();
+ }
+
irq_enter();
#ifdef CONFIG_DEBUG_STACKOVERFLOW
/* Debugging check for stack overflow: is there less than 1KB free? */