From f73169c32adfb379c6154ec2427e3024d769e062 Mon Sep 17 00:00:00 2001
From: Rob Herring <rob.herring@calxeda.com>
Date: Mon, 12 Dec 2011 09:59:14 -0600
Subject: [PATCH] --- yaml --- r: 280135 b: refs/heads/master c:
 93797d87d63d36404907640e4e20bb976bff4744 h: refs/heads/master i:   280133:
 aaea952c41bff298b40ecdb79a94679bd4086afb   280131:
 b57051dfc14e0f2dac03b3140a44075f281d2e22   280127:
 65038217834ac2b03197f7f5937d6bb2ee6e6d5e v: v3

---
 [refs]                       | 2 +-
 trunk/kernel/irq/irqdomain.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 9e5866c9143f..48b9688ae87d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3ecdd0515287afbcde352077d59e4028dcfbb685
+refs/heads/master: 93797d87d63d36404907640e4e20bb976bff4744
diff --git a/trunk/kernel/irq/irqdomain.c b/trunk/kernel/irq/irqdomain.c
index 200ce832c585..8bd7479b8390 100644
--- a/trunk/kernel/irq/irqdomain.c
+++ b/trunk/kernel/irq/irqdomain.c
@@ -135,6 +135,9 @@ int irq_domain_simple_dt_translate(struct irq_domain *d,
 		return -EINVAL;
 	if (intsize < 1)
 		return -EINVAL;
+	if (d->nr_irq && ((intspec[0] < d->hwirq_base) ||
+	    (intspec[0] >= d->hwirq_base + d->nr_irq)))
+		return -EINVAL;
 
 	*out_hwirq = intspec[0];
 	*out_type = IRQ_TYPE_NONE;