context_present
if (!context_present(context))
if (!context || !context_present(context))
if (context_present(context) && !context_copied(iommu, bus, devfn))
if (!context_present(&ce))
if (context_present(context) && !context_copied(iommu, bus, devfn)) {
if (!context_present(ctx_entry)) {
if (!context_present(ctx_entry)) {
if (context_present(context) && !context_copied(iommu, bus, devfn)) {