PCI/IOV: Simplify pci-pf-stub with module_pci_driver()

Use the module_pci_driver() macro to make the code simpler by eliminating
module_init() and module_exit() calls.

Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Liu Shixin <[e-mail]>
Signed-off-by: Bjorn Helgaas <[e-mail]>
Acked-by: Alexander Duyck <[e-mail]>

drivers/pci/pci-pf-stub.c

···
 	.probe			= pci_pf_stub_probe,
 	.sriov_configure	= pci_sriov_configure_simple,
 };
-
-static int __init pci_pf_stub_init(void)
-{
-	return pci_register_driver(&pf_stub_driver);
-}
-
-static void __exit pci_pf_stub_exit(void)
-{
-	pci_unregister_driver(&pf_stub_driver);
-}
-
-module_init(pci_pf_stub_init);
-module_exit(pci_pf_stub_exit);
+module_pci_driver(pf_stub_driver);
 
 MODULE_LICENSE("GPL");