| Message ID | 1385979718-26218-1-git-send-email-yizhouzhou@ict.ac.cn |
|---|---|
| State | New, archived |
| Headers | show |
On 02.12.2013, at 11:21, Zhouyi Zhou <zhouzhouyi@gmail.com> wrote: > NULL return of kvmppc_mmu_hpte_cache_next should be handled > > Signed-off-by: Zhouyi Zhou <yizhouzhou@ict.ac.cn> Thanks, applied to kvm-ppc-queue. Alex -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/powerpc/kvm/book3s_32_mmu_host.c b/arch/powerpc/kvm/book3s_32_mmu_host.c index 3a0abd2..5fac89d 100644 --- a/arch/powerpc/kvm/book3s_32_mmu_host.c +++ b/arch/powerpc/kvm/book3s_32_mmu_host.c @@ -243,6 +243,11 @@ next_pteg: /* 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' : '-',
NULL return of kvmppc_mmu_hpte_cache_next should be handled Signed-off-by: Zhouyi Zhou <yizhouzhou@ict.ac.cn> --- arch/powerpc/kvm/book3s_32_mmu_host.c | 5 +++++ 1 file changed, 5 insertions(+)