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Diffstat (limited to 'drivers/iommu/dmar.c')
-rw-r--r--drivers/iommu/dmar.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index f445c10df8df..39f8b717fe84 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -152,7 +152,8 @@ dmar_alloc_pci_notify_info(struct pci_dev *dev, unsigned long event)
info->seg = pci_domain_nr(dev->bus);
info->level = level;
if (event == BUS_NOTIFY_ADD_DEVICE) {
- for (tmp = dev, level--; tmp; tmp = tmp->bus->self) {
+ for (tmp = dev; tmp; tmp = tmp->bus->self) {
+ level--;
info->path[level].device = PCI_SLOT(tmp->devfn);
info->path[level].function = PCI_FUNC(tmp->devfn);
if (pci_is_root_bus(tmp->bus))
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