diff options
Diffstat (limited to 'drivers/iommu/intel-iommu.c')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 33 |
1 files changed, 8 insertions, 25 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index c674aa12ef31..a5ac99cc9ffc 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2327,6 +2327,12 @@ static struct dmar_domain *dmar_insert_dev_info(struct intel_iommu *iommu, dev->archdata.iommu = info; spin_unlock_irqrestore(&device_domain_lock, flags); + if (dev && domain_context_mapping(domain, dev)) { + pr_err("Domain context map for %s failed\n", dev_name(dev)); + domain_remove_one_dev_info(domain, dev); + return NULL; + } + return domain; } @@ -2339,11 +2345,11 @@ static int get_last_alias(struct pci_dev *pdev, u16 alias, void *opaque) /* domain is initialized */ static struct dmar_domain *get_domain_for_dev(struct device *dev, int gaw) { + struct device_domain_info *info = NULL; struct dmar_domain *domain, *tmp; struct intel_iommu *iommu; - struct device_domain_info *info; - u16 dma_alias; unsigned long flags; + u16 dma_alias; u8 bus, devfn; domain = find_domain(dev); @@ -2492,11 +2498,6 @@ static int iommu_prepare_identity_map(struct device *dev, if (ret) goto error; - /* context entry init */ - ret = domain_context_mapping(domain, dev); - if (ret) - goto error; - return 0; error: @@ -2592,7 +2593,6 @@ static int domain_add_dev_info(struct dmar_domain *domain, struct device *dev) struct dmar_domain *ndomain; struct intel_iommu *iommu; u8 bus, devfn; - int ret; iommu = device_to_iommu(dev, &bus, &devfn); if (!iommu) @@ -2602,12 +2602,6 @@ static int domain_add_dev_info(struct dmar_domain *domain, struct device *dev) if (ndomain != domain) return -EBUSY; - ret = domain_context_mapping(domain, dev); - if (ret) { - domain_remove_one_dev_info(domain, dev); - return ret; - } - return 0; } @@ -3263,7 +3257,6 @@ static struct iova *intel_alloc_iova(struct device *dev, static struct dmar_domain *__get_valid_domain_for_dev(struct device *dev) { struct dmar_domain *domain; - int ret; domain = get_domain_for_dev(dev, DEFAULT_DOMAIN_ADDRESS_WIDTH); if (!domain) { @@ -3272,16 +3265,6 @@ static struct dmar_domain *__get_valid_domain_for_dev(struct device *dev) return NULL; } - /* make sure context mapping is ok */ - if (unlikely(!domain_context_mapped(dev))) { - ret = domain_context_mapping(domain, dev); - if (ret) { - pr_err("Domain context map for %s failed\n", - dev_name(dev)); - return NULL; - } - } - return domain; } |