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Commit bca2b916 authored by Yijing Wang's avatar Yijing Wang Committed by Joerg Roedel
Browse files

iommu/vt-d: Use list_for_each_entry_safe() for dmar_domain->devices traversal 



Replace list_for_each_safe() + list_entry() with the simpler
list_for_each_entry_safe().

Signed-off-by: default avatarYijing Wang <wangyijing@huawei.com>
Signed-off-by: default avatarJoerg Roedel <joro@8bytes.org>
parent 8b161f0e

drivers/iommu/intel-iommu.c

+2 −4
Original line number Diff line number Diff line
@@ -3781,11 +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);
@@ -3793,8 +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) {