[PATCH] PCI Express Hotplug: kill more useless casts

This patch does two things:
-remove casts of pointers which are void* or already the correct type for the
 target
-if we dereferenced a struct member and copied this to it's own variable use
 this and don't dereference the member again

drivers/pci/hotplug/pciehp_pci.c

@@ -69,7 +69,7 @@ int pciehp_configure_device (struct controller* ctrl, struct pci_func* func)
 
 	if (func->pci_dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) {
 		pci_read_config_byte(func->pci_dev, PCI_SECONDARY_BUS, &bus);
-		child = (struct pci_bus*) pci_add_new_bus(func->pci_dev->bus, (func->pci_dev), bus);
+		child = pci_add_new_bus(func->pci_dev->bus, (func->pci_dev), bus);
 		pci_do_scan_bus(child);
 
 	}