Commit 4f018c51 authored May 09, 2010 by Roel Kluin Committed by Marcelo Tosatti May 13, 2010

KVM: PPC: Keep index within boundaries in kvmppc_44x_emul_tlbwe()



An index of KVM44x_GUEST_TLB_SIZE is already one too large.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Hollis Blanchard <hollis@penguinppc.org>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

parent f8c5fae1

arch/powerpc/kvm/44x_tlb.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -440,7 +440,7 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
		unsigned int gtlb_index;

		gtlb_index = kvmppc_get_gpr(vcpu, 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;