Commit 49451389 authored by Gleb Natapov's avatar Gleb Natapov Committed by Avi Kivity
Browse files

KVM: PPC: correctly check gfn_to_pfn() return value 



On failure gfn_to_pfn returns bad_page so use correct function to check
for that.

Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 2e0908af

arch/powerpc/kvm/book3s_32_mmu_host.c

+1 −1
Original line number Diff line number Diff line
@@ -148,7 +148,7 @@ int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte) 


	/* Get host physical address for gpa */

	hpaddr = kvmppc_gfn_to_pfn(vcpu, orig_pte->raddr >> PAGE_SHIFT);

	if (kvm_is_error_hva(hpaddr)) {

	if (is_error_pfn(hpaddr)) {

		printk(KERN_INFO "Couldn't get guest page for gfn %lx!\n",

				 orig_pte->eaddr);

		return -EINVAL;

arch/powerpc/kvm/book3s_64_mmu_host.c

+1 −1
Original line number Diff line number Diff line
@@ -102,7 +102,7 @@ int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte) 


	/* Get host physical address for gpa */

	hpaddr = kvmppc_gfn_to_pfn(vcpu, orig_pte->raddr >> PAGE_SHIFT);

	if (kvm_is_error_hva(hpaddr)) {

	if (is_error_pfn(hpaddr)) {

		printk(KERN_INFO "Couldn't get guest page for gfn %lx!\n", orig_pte->eaddr);

		return -EINVAL;

	}

CRA Git | Maintained and supported by SUSTech CRA and CCSE