linux-kernel - [PATCH 1/1] x86, acpi: Fix wrong checking condition in acpi_register

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Message-Id: <1374543541-4451-1-git-send-email-tangchen@cn.fujitsu.com>
Date:	Tue, 23 Jul 2013 09:39:01 +0800
From:	Tang Chen <tangchen@...fujitsu.com>
To:	len.brown@...el.com, pavel@....cz, rjw@...k.pl, tglx@...utronix.de,
	mingo@...hat.com, hpa@...or.com, x86@...nel.org,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/1] x86, acpi: Fix wrong checking condition in acpi_register_lapic().

We wanted to check if the acpi id is out of range. It should be:
	if (id >= (MAX_LOCAL_APIC)).

Signed-off-by: Tang Chen <tangchen@...fujitsu.com>
---
 arch/x86/kernel/acpi/boot.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index d81a972..2a15ae7 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -199,7 +199,7 @@ static void __cpuinit acpi_register_lapic(int id, u8 enabled)
 {
 	unsigned int ver = 0;
 
-	if (id >= (MAX_LOCAL_APIC-1)) {
+	if (id >= (MAX_LOCAL_APIC)) {
 		printk(KERN_INFO PREFIX "skipped apicid that is too big\n");
 		return;
 	}
-- 
1.7.10.1

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