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Commit 47d45d9f authored by Zhouyi Zhou's avatar Zhouyi Zhou Committed by Alexander Graf
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KVM: PPC: NULL return of kvmppc_mmu_hpte_cache_next should be handled 



NULL return of kvmppc_mmu_hpte_cache_next should be handled

Signed-off-by: default avatarZhouyi Zhou <yizhouzhou@ict.ac.cn>
Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
parent 9bd880a2

arch/powerpc/kvm/book3s_32_mmu_host.c

+5 −0
Original line number Diff line number Diff line
@@ -243,6 +243,11 @@ int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte, 
	/* Now tell our Shadow PTE code about the new page */



	pte = kvmppc_mmu_hpte_cache_next(vcpu);

	if (!pte) {

		kvm_release_pfn_clean(hpaddr >> PAGE_SHIFT);

		r = -EAGAIN;

		goto out;

	}



	dprintk_mmu("KVM: %c%c Map 0x%llx: [%lx] 0x%llx (0x%llx) -> %lx\n",

		    orig_pte->may_write ? 'w' : '-',