From 81b79b01d057f8c5a378c38d2f738775b972934a Mon Sep 17 00:00:00 2001
From: Roel Kluin <roel.kluin@gmail.com>
Date: Wed, 20 May 2009 01:45:45 +0200
Subject: [PATCH] lguest: beyond ARRAY_SIZE of cpu->arch.gdt
Do not go beyond ARRAY_SIZE of cpu->arch.gdt
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
drivers/lguest/segments.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/lguest/segments.c b/drivers/lguest/segments.c
index 7ede64ffeef9..482ed5a18750 100644
--- a/drivers/lguest/segments.c
+++ b/drivers/lguest/segments.c
@@ -150,7 +150,7 @@ void load_guest_gdt_entry(struct lg_cpu *cpu, u32 num, u32 lo, u32 hi)
{
/* We assume the Guest has the same number of GDT entries as the
* Host, otherwise we'd have to dynamically allocate the Guest GDT. */
- if (num > ARRAY_SIZE(cpu->arch.gdt))
+ if (num >= ARRAY_SIZE(cpu->arch.gdt))
kill_guest(cpu, "too many gdt entries %i", num);
/* Set it up, then fix it. */
--
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