xen/xenbus/xenbus_probe.c

150 int xenbus_read_otherend_details(struct xenbus_device *xendev,
153 	int err = xenbus_gather(XBT_NIL, xendev->nodename,
154 				id_node, "%i", &xendev->otherend_id,
155 				path_node, NULL, &xendev->otherend,
158 		xenbus_dev_fatal(xendev, err,
160 				 xendev->nodename);
163 	if (strlen(xendev->otherend) == 0 ||
164 	    !xenbus_exists(XBT_NIL, xendev->otherend, "")) {
165 		xenbus_dev_fatal(xendev, -ENOENT,
168 				 xendev->nodename);
169 		free_otherend_details(xendev);
392 	struct xenbus_device *xendev = to_xenbus_device(dev);
395 	if (!strcmp(xendev->nodename, info->nodename)) {
396 		info->dev = xendev;
414 	struct xenbus_device *xendev = to_xenbus_device(dev);
421 	if (strncmp(xendev->nodename, info->nodename, len))
425 	if ((strlen(xendev->nodename) > len) && (xendev->nodename[len] != '/'))
428 	info->dev = xendev;
507 	struct xenbus_device *xendev;
520 	xendev = kzalloc(sizeof(*xendev) + stringlen, GFP_KERNEL);
521 	if (!xendev)
524 	xendev->state = XenbusStateInitialising;
528 	tmpstring = (char *)(xendev + 1);
530 	xendev->nodename = tmpstring;
534 	xendev->devicetype = tmpstring;
535 	init_completion(&xendev->down);
537 	xendev->dev.bus = &bus->bus;
538 	xendev->dev.release = xenbus_dev_release;
540 	err = bus->get_bus_id(devname, xendev->nodename);
544 	dev_set_name(&xendev->dev, "%s", devname);
545 	sema_init(&xendev->reclaim_sem, 1);
548 	err = device_register(&xendev->dev);
550 		put_device(&xendev->dev);
551 		xendev = NULL;
557 	kfree(xendev);