ioc4: use static work_struct for ioc4_load_modules()

static void __devinit

ioc4_load_modules(struct work_struct *work)

{

	/* arg just has to be freed */

	request_module("sgiioc4");

	kfree(work);

}

static DECLARE_WORK(ioc4_load_modules_work, ioc4_load_modules);

/* Adds a new instance of an IOC4 card */

static int __devinit

ioc4_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)

	 * PCI device.

	 */

	if (idd->idd_variant != IOC4_VARIANT_PCI_RT) {

		struct work_struct *work;

		work = kzalloc(sizeof(struct work_struct), GFP_KERNEL);

		if (!work) {

			printk(KERN_WARNING

			       "%s: IOC4 unable to allocate memory for "

			       "load of sub-modules.\n", __func__);

		} else {

			/* Request the module from a work procedure as the

			 * modprobe goes out to a userland helper and that

			 * will hang if done directly from ioc4_probe().

		/* Request the module from a work procedure as the modprobe

		 * goes out to a userland helper and that will hang if done

		 * directly from ioc4_probe().

		 */

		printk(KERN_INFO "IOC4 loading sgiioc4 submodule\n");

			INIT_WORK(work, ioc4_load_modules);

			schedule_work(work);

		}

		schedule_work(&ioc4_load_modules_work);

	}

	return 0;

ioc4_exit(void)

{

	/* Ensure ioc4_load_modules() has completed before exiting */

	flush_scheduled_work();

	flush_work_sync(&ioc4_load_modules_work);

	pci_unregister_driver(&ioc4_driver);

}