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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-06-28 23:27:48 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-06-28 23:27:48 -0400
commit9f2fa466383ce100b90fe52cb4489d7a26bf72a9 (patch)
tree7b72b1fae85137435d5b98f4614df2195f612acc /arch/x86_64/kernel/irq.c
parent607f31e80b6f982d7c0dd7a5045377fc368fe507 (diff)
parent0a6047eef1c465c38aacfbdab193161b3f0cd144 (diff)
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Diffstat (limited to 'arch/x86_64/kernel/irq.c')
-rw-r--r--arch/x86_64/kernel/irq.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/irq.c b/arch/x86_64/kernel/irq.c
index 3be0a7e4bf0..bfa82f52a5c 100644
--- a/arch/x86_64/kernel/irq.c
+++ b/arch/x86_64/kernel/irq.c
@@ -118,6 +118,12 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs)
/* high bit used in ret_from_ code */
unsigned irq = ~regs->orig_rax;
+ if (unlikely(irq >= NR_IRQS)) {
+ printk(KERN_EMERG "%s: cannot handle IRQ %d\n",
+ __FUNCTION__, irq);
+ BUG();
+ }
+
exit_idle();
irq_enter();
#ifdef CONFIG_DEBUG_STACKOVERFLOW