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From: Roel Kluin <roel.kluin@gmail.com>
To: kvm-ppc@vger.kernel.org
Subject: [PATCH] KVM: ppc: beyond ARRAY_SIZE of vcpu_44x->guest_tlb
Date: Tue, 19 May 2009 22:50:31 +0000	[thread overview]
Message-ID: <4A1337B7.4090501@gmail.com> (raw)

Do not go beyond ARRAY_SIZE of vcpu_44x->guest_tlb

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c
index 4a16f47..6093289 100644
--- a/arch/powerpc/kvm/44x_tlb.c
+++ b/arch/powerpc/kvm/44x_tlb.c
@@ -439,7 +439,7 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
 	unsigned int gtlb_index;
 
 	gtlb_index = vcpu->arch.gpr[ra];
-	if (gtlb_index > KVM44x_GUEST_TLB_SIZE) {
+	if (gtlb_index >= KVM44x_GUEST_TLB_SIZE) {
 		printk("%s: index %d\n", __func__, gtlb_index);
 		kvmppc_dump_vcpu(vcpu);
 		return EMULATE_FAIL;

             reply	other threads:[~2009-05-19 22:50 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-19 22:50 Roel Kluin [this message]
2009-05-20 15:09 ` [PATCH] KVM: ppc: beyond ARRAY_SIZE of vcpu_44x->guest_tlb Hollis Blanchard

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