From: Yijing Wang Date: Thu, 31 Oct 2013 09:26:04 +0000 (+0800) Subject: iommu/vt-d: Use list_for_each_entry_safe() for dmar_domain->devices traversal X-Git-Tag: upstream/snapshot3+hdmi~3968^2^4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bca2b916f3d5c5bcb3d9d38fc1e4cb4d83b1d8a8;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git 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: Yijing Wang Signed-off-by: Joerg Roedel --- diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 40203ad..43b9bfe 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -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) {