49 	struct tape_class_device *	tcd;  in register_tape_dev()  local
53 	tcd = kzalloc(sizeof(struct tape_class_device), GFP_KERNEL);  in register_tape_dev()
54 	if (!tcd)  in register_tape_dev()
57 	strlcpy(tcd->device_name, device_name, TAPECLASS_NAME_LEN);  in register_tape_dev()
58 	for (s = strchr(tcd->device_name, '/'); s; s = strchr(s, '/'))  in register_tape_dev()
60 	strlcpy(tcd->mode_name, mode_name, TAPECLASS_NAME_LEN);  in register_tape_dev()
61 	for (s = strchr(tcd->mode_name, '/'); s; s = strchr(s, '/'))  in register_tape_dev()
64 	tcd->char_device = cdev_alloc();  in register_tape_dev()
65 	if (!tcd->char_device) {  in register_tape_dev()
70 	tcd->char_device->owner = fops->owner;  in register_tape_dev()
71 	tcd->char_device->ops   = fops;  in register_tape_dev()
73 	rc = cdev_add(tcd->char_device, dev, 1);  in register_tape_dev()
77 	tcd->class_device = device_create(tape_class, device,  in register_tape_dev()
78 					  tcd->char_device->dev, NULL,  in register_tape_dev()
79 					  "%s", tcd->device_name);  in register_tape_dev()
80 	rc = PTR_ERR_OR_ZERO(tcd->class_device);  in register_tape_dev()
85 		&tcd->class_device->kobj,  in register_tape_dev()
86 		tcd->mode_name  in register_tape_dev()
91 	return tcd;  in register_tape_dev()
94 	device_destroy(tape_class, tcd->char_device->dev);  in register_tape_dev()
97 	cdev_del(tcd->char_device);  in register_tape_dev()
100 	kfree(tcd);  in register_tape_dev()
106 void unregister_tape_dev(struct device *device, struct tape_class_device *tcd)  in unregister_tape_dev()  argument
108 	if (tcd != NULL && !IS_ERR(tcd)) {  in unregister_tape_dev()
109 		sysfs_remove_link(&device->kobj, tcd->mode_name);  in unregister_tape_dev()
110 		device_destroy(tape_class, tcd->char_device->dev);  in unregister_tape_dev()
111 		cdev_del(tcd->char_device);  in unregister_tape_dev()
112 		kfree(tcd);  in unregister_tape_dev()