PCI: use pci_is_root_bus() in pci_read_bridge_bases()

Use pci_is_root_bus() in pci_read_bridge_bases() to check if the pci
bus is root, for code consistency.

Reviewed-by: Alex Chiang <achiang@hp.com>
Reviewed-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index b962326e3d95..40e75f6a5056 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -289,7 +289,7 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child)
         struct resource *res;
         int i;
 
-        if (!child->parent)     /* It's a host bus, nothing to read */
+        if (pci_is_root_bus(child))     /* It's a host bus, nothing to read */
                 return;
 
         if (dev->transparent) {