diff options
Diffstat (limited to 'arch/x86/kernel/amd_iommu.c')
| -rw-r--r-- | arch/x86/kernel/amd_iommu.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index ebc1c8443926..6ffb3e637657 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c | |||
| @@ -530,8 +530,7 @@ static int iommu_map_page(struct protection_domain *dom, | |||
| 530 | bus_addr = PAGE_ALIGN(bus_addr); | 530 | bus_addr = PAGE_ALIGN(bus_addr); |
| 531 | phys_addr = PAGE_ALIGN(phys_addr); | 531 | phys_addr = PAGE_ALIGN(phys_addr); |
| 532 | 532 | ||
| 533 | /* only support 512GB address spaces for now */ | 533 | if (!(prot & IOMMU_PROT_MASK)) |
| 534 | if (bus_addr > IOMMU_MAP_SIZE_L3 || !(prot & IOMMU_PROT_MASK)) | ||
| 535 | return -EINVAL; | 534 | return -EINVAL; |
| 536 | 535 | ||
| 537 | pte = alloc_pte(dom, bus_addr, NULL, GFP_KERNEL); | 536 | pte = alloc_pte(dom, bus_addr, NULL, GFP_KERNEL); |