From: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Date: Thu, 26 Jul 2007 06:30:45 +0000 (+0900)
Subject: [IA64] Add sanity check into __bind_irq_vector
X-Git-Tag: v2.6.23-rc2~188
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6bde71ec1ea1f37254892ef2058176f3171a0d62;p=linux-2.6

[IA64] Add sanity check into __bind_irq_vector

Add some sanity checks into __bind_irq_vector().

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---

diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index fcb77338cc..8c2bd81acb 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -145,6 +145,9 @@ static int __bind_irq_vector(int irq, int vector, cpumask_t domain)
 	int cpu;
 	struct irq_cfg *cfg = &irq_cfg[irq];
 
+	BUG_ON((unsigned)irq >= NR_IRQS);
+	BUG_ON((unsigned)vector >= IA64_NUM_VECTORS);
+
 	cpus_and(mask, domain, cpu_online_map);
 	if (cpus_empty(mask))
 		return -EINVAL;