diff options
Diffstat (limited to 'virt/kvm')
| -rw-r--r-- | virt/kvm/iommu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c index c03f1fb26701..6a67bea4019c 100644 --- a/virt/kvm/iommu.c +++ b/virt/kvm/iommu.c @@ -107,6 +107,7 @@ int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot) */ pfn = kvm_pin_pages(slot, gfn, page_size); if (is_error_pfn(pfn)) { + kvm_release_pfn_clean(pfn); gfn += 1; continue; } @@ -300,6 +301,12 @@ static void kvm_iommu_put_pages(struct kvm *kvm, /* Get physical address */ phys = iommu_iova_to_phys(domain, gfn_to_gpa(gfn)); + + if (!phys) { + gfn++; + continue; + } + pfn = phys >> PAGE_SHIFT; /* Unmap address from IO address space */ |