PCI: handle pci_name() being const

This changes pci_setup_device to handle pci_name() now returning a
constant string.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

drivers/pci/probe.c

@@ -713,9 +713,9 @@ static int pci_setup_device(struct pci_dev * dev)
 {
 	u32 class;
 
-	snprintf(dev->dev.bus_id, BUS_ID_SIZE,
-		 "%04x:%02x:%02x.%d", pci_domain_nr(dev->bus),
-		 dev->bus->number, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
+	dev_set_name(&dev->dev, "%04x:%02x:%02x.%d", pci_domain_nr(dev->bus),
+		     dev->bus->number, PCI_SLOT(dev->devfn),
+		     PCI_FUNC(dev->devfn));
 
 	pci_read_config_dword(dev, PCI_CLASS_REVISION, &class);
 	dev->revision = class & 0xff;