diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 22d38e3cdc7a..ae7d636d3099 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2495,12 +2495,19 @@ void amd_iommu_init_notifier(void) static struct protection_domain *get_domain(struct device *dev) { struct protection_domain *domain; + struct iommu_domain *io_domain; struct dma_ops_domain *dma_dom; u16 devid = get_device_id(dev); if (!check_device(dev)) return ERR_PTR(-EINVAL); + io_domain = iommu_get_domain_for_dev(dev); + if (io_domain) { + domain = to_pdomain(io_domain); + return domain; + } + domain = domain_for_device(dev); if (domain != NULL && !dma_ops_domain(domain)) return ERR_PTR(-EBUSY); |
