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lguest: beyond ARRAY_SIZE of cpu->arch.gdt

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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>
This commit is contained in:
Roel Kluin 2009-05-20 01:45:45 +02:00 committed by Rusty Russell
parent 2644f17d6c
commit 81b79b01d0
1 changed files with 1 additions and 1 deletions
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2
drivers/lguest/segments.c
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@ -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. */