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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-16 14:04:49 +0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-12-16 14:04:49 +0400 |
| commit | 348324c5b10bcba8d9daabdfb85a6927311be34f (patch) | |
| tree | d06ca3a264407a14a1f36c1b798d6dc0dc1582d8 /drivers/iommu/intel-iommu.c | |
| parent | 1e63bd9cc43db5400a1423a7ec8266b4e7c54bd0 (diff) | |
| parent | 319e2e3f63c348a9b66db4667efa73178e18b17d (diff) | |
| download | linux-348324c5b10bcba8d9daabdfb85a6927311be34f.tar.xz | |
Merge tag 'v3.13-rc4' into next
Synchronize with mainline to bring in the new keycode definitions and
new hwmon API.
Diffstat (limited to 'drivers/iommu/intel-iommu.c')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 15e9b57e9cf0..43b9bfea48fa 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -782,7 +782,11 @@ static struct dma_pte *pfn_to_dma_pte(struct dmar_domain *domain, int offset; BUG_ON(!domain->pgd); - BUG_ON(addr_width < BITS_PER_LONG && pfn >> addr_width); + + if (addr_width < BITS_PER_LONG && pfn >> addr_width) + /* Address beyond IOMMU's addressing capabilities. */ + return NULL; + parent = domain->pgd; while (level > 0) { @@ -3777,11 +3781,10 @@ static void iommu_detach_dependent_devices(struct intel_iommu *iommu, static void domain_remove_one_dev_info(struct dmar_domain *domain, struct pci_dev *pdev) { - struct device_domain_info *info; + struct device_domain_info *info, *tmp; struct intel_iommu *iommu; unsigned long flags; int found = 0; - struct list_head *entry, *tmp; iommu = device_to_iommu(pci_domain_nr(pdev->bus), pdev->bus->number, pdev->devfn); @@ -3789,8 +3792,7 @@ static void domain_remove_one_dev_info(struct dmar_domain *domain, return; spin_lock_irqsave(&device_domain_lock, flags); - list_for_each_safe(entry, tmp, &domain->devices) { - info = list_entry(entry, struct device_domain_info, link); + list_for_each_entry_safe(info, tmp, &domain->devices, link) { if (info->segment == pci_domain_nr(pdev->bus) && info->bus == pdev->bus->number && info->devfn == pdev->devfn) { |