intel-iommu: Add domain check in domain_remove_one_dev_info
The comment in domain_remove_one_dev_info() states "No need to compare PCI domain; it has to be the same". But for the si_domain that isn't going to be true, as it consists of all the PCI devices that are identity mapped thus multiple PCI domains can be in si_domain. The code needs to validate the PCI domain too. Signed-off-by: Mike Habeck <habeck@sgi.com> Signed-off-by: Mike Travis <travis@sgi.com> Cc: stable@kernel.org Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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@ -3537,8 +3537,8 @@ static void domain_remove_one_dev_info(struct dmar_domain *domain,
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spin_lock_irqsave(&device_domain_lock, flags);
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list_for_each_safe(entry, tmp, &domain->devices) {
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info = list_entry(entry, struct device_domain_info, link);
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/* No need to compare PCI domain; it has to be the same */
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if (info->bus == pdev->bus->number &&
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if (info->segment == pci_domain_nr(pdev->bus) &&
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info->bus == pdev->bus->number &&
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info->devfn == pdev->devfn) {
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list_del(&info->link);
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list_del(&info->global);
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