iommu/vt-d: use dmar_insert_dev_info() from dma_add_dev_info()
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index c1c5642..7d3d33f 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2452,29 +2452,21 @@
struct pci_dev *pdev,
int translation)
{
+ struct dmar_domain *ndomain;
struct device_domain_info *info;
unsigned long flags;
int ret;
- info = alloc_devinfo_mem();
- if (!info)
- return -ENOMEM;
-
- info->segment = pci_domain_nr(pdev->bus);
- info->bus = pdev->bus->number;
- info->devfn = pdev->devfn;
- info->dev = &pdev->dev;
- info->domain = domain;
-
- spin_lock_irqsave(&device_domain_lock, flags);
- list_add(&info->link, &domain->devices);
- list_add(&info->global, &device_domain_list);
- pdev->dev.archdata.iommu = info;
- spin_unlock_irqrestore(&device_domain_lock, flags);
+ ndomain = dmar_insert_dev_info(pci_domain_nr(pdev->bus),
+ pdev->bus->number, pdev->devfn,
+ &pdev->dev, domain);
+ if (ndomain != domain)
+ return -EBUSY;
ret = domain_context_mapping(domain, pdev, translation);
if (ret) {
spin_lock_irqsave(&device_domain_lock, flags);
+ info = pdev->dev.archdata.iommu;
unlink_domain_info(info);
spin_unlock_irqrestore(&device_domain_lock, flags);
free_devinfo_mem(info);