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[4/6] pci/dmar/sriov: use physfn to search drhd for VF

Message ID 1270753107-15881-5-git-send-email-yinghai@kernel.org (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Yinghai Lu April 8, 2010, 6:58 p.m. UTC 
None
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Patch

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index d2f66a6..550f0a9 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -534,6 +534,11 @@  dmar_find_matched_drhd_unit(struct pci_dev *dev)
 	struct dmar_drhd_unit *dmaru = NULL;
 	struct acpi_dmar_hardware_unit *drhd;
 
+#ifdef CONFIG_PCI_IOV
+	if (dev->is_virtfn)
+		dev = dev->physfn;
+#endif
+
 	list_for_each_entry(dmaru, &dmar_drhd_units, list) {
 		drhd = container_of(dmaru->hdr,
 				    struct acpi_dmar_hardware_unit,