[PATCH] xen: Use dev_is_pci() to check whether it is pci device

[Yijing Wang]

Use PCI standard marco dev_is_pci() instead of directly compare
pci_bus_type to check whether it is pci device.

Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
---
 drivers/xen/dbgp.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/xen/dbgp.c b/drivers/xen/dbgp.c
index f3ccc80..8145a59 100644
--- a/drivers/xen/dbgp.c
+++ b/drivers/xen/dbgp.c
@@ -19,7 +19,7 @@ static int xen_dbgp_op(struct usb_hcd *hcd, int op)
 	dbgp.op = op;
 
 #ifdef CONFIG_PCI
-	if (ctrlr->bus == &pci_bus_type) {
+	if (dev_is_pci(ctrlr)) {
 		const struct pci_dev *pdev = to_pci_dev(ctrlr);
 
 		dbgp.u.pci.seg = pci_domain_nr(pdev->bus);
-- 
1.7.1


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