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authorYijing Wang <wangyijing@huawei.com>2013-10-31 17:26:04 +0800
committerJoerg Roedel <joro@8bytes.org>2013-11-01 14:18:48 +0100
commitbca2b916f3d5c5bcb3d9d38fc1e4cb4d83b1d8a8 (patch)
tree7e117edf5ad3b985d486ff13253f56b79e10de9c /drivers/iommu
parent8b161f0ee911369232b5b5c18f84b5072f5bd09e (diff)
downloadblackbird-op-linux-bca2b916f3d5c5bcb3d9d38fc1e4cb4d83b1d8a8.tar.gz
blackbird-op-linux-bca2b916f3d5c5bcb3d9d38fc1e4cb4d83b1d8a8.zip
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 <wangyijing@huawei.com> Signed-off-by: Joerg Roedel <joro@8bytes.org>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/intel-iommu.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 40203ada635e..43b9bfea48fa 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) {
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