From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roel Kluin Subject: [PATCH] KVM: powerpc: beyond ARRAY_SIZE of vcpu->arch.guest_tlb Date: Thu, 21 May 2009 21:53:13 +0200 Message-ID: <4A15B129.8070700@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Andrew Morton , kvm@vger.kernel.org, linuxppc-dev@ozlabs.org To: avi@redhat.com, paulmck@linux.vnet.ibm.com Return-path: Received: from mail-ew0-f176.google.com ([209.85.219.176]:62848 "EHLO mail-ew0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753362AbZEUTxO (ORCPT ); Thu, 21 May 2009 15:53:14 -0400 Received: by ewy24 with SMTP id 24so1446456ewy.37 for ; Thu, 21 May 2009 12:53:14 -0700 (PDT) Sender: kvm-owner@vger.kernel.org List-ID: Do not go beyond ARRAY_SIZE of vcpu->arch.guest_tlb Signed-off-by: Roel Kluin --- diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index 0fce4fb..c2cfd46 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -125,7 +125,7 @@ static int kvmppc_emul_tlbwe(struct kvm_vcpu *vcpu, u32 inst) ws = get_ws(inst); index = vcpu->arch.gpr[ra]; - if (index > PPC44x_TLB_SIZE) { + if (index >= PPC44x_TLB_SIZE) { printk("%s: index %d\n", __func__, index); kvmppc_dump_vcpu(vcpu); return EMULATE_FAIL;