niu: remove unnecessary read of PCI_CAP_ID_EXP
The PCIE capability offset is saved during PCI bus walking. It will
remove an unnecessary search in the PCI configuration space if this
value is referenced instead of reacquiring it.
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 1c7b790..cd6c231 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -9797,7 +9797,7 @@
goto err_out_disable_pdev;
}
- pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
+ pos = pci_pcie_cap(pdev);
if (pos <= 0) {
dev_err(&pdev->dev, "Cannot find PCI Express capability, aborting\n");
goto err_out_free_res;