37 	struct atm_dev *dev;  in __alloc_atm_dev()  local
39 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);  in __alloc_atm_dev()
40 	if (!dev)  in __alloc_atm_dev()
42 	dev->type = type;  in __alloc_atm_dev()
43 	dev->signal = ATM_PHY_SIG_UNKNOWN;  in __alloc_atm_dev()
44 	dev->link_rate = ATM_OC3_PCR;  in __alloc_atm_dev()
45 	spin_lock_init(&dev->lock);  in __alloc_atm_dev()
46 	INIT_LIST_HEAD(&dev->local);  in __alloc_atm_dev()
47 	INIT_LIST_HEAD(&dev->lecs);  in __alloc_atm_dev()
49 	return dev;  in __alloc_atm_dev()
54 	struct atm_dev *dev;  in __atm_dev_lookup()  local
56 	list_for_each_entry(dev, &atm_devs, dev_list) {  in __atm_dev_lookup()
57 		if (dev->number == number) {  in __atm_dev_lookup()
58 			atm_dev_hold(dev);  in __atm_dev_lookup()
59 			return dev;  in __atm_dev_lookup()
67 	struct atm_dev *dev;  in atm_dev_lookup()  local
70 	dev = __atm_dev_lookup(number);  in atm_dev_lookup()
72 	return dev;  in atm_dev_lookup()
80 	struct atm_dev *dev, *inuse;  in atm_dev_register()  local
82 	dev = __alloc_atm_dev(type);  in atm_dev_register()
83 	if (!dev) {  in atm_dev_register()
93 			kfree(dev);  in atm_dev_register()
96 		dev->number = number;  in atm_dev_register()
98 		dev->number = 0;  in atm_dev_register()
99 		while ((inuse = __atm_dev_lookup(dev->number))) {  in atm_dev_register()
101 			dev->number++;  in atm_dev_register()
105 	dev->ops = ops;  in atm_dev_register()
107 		dev->flags = *flags;  in atm_dev_register()
109 		memset(&dev->flags, 0, sizeof(dev->flags));  in atm_dev_register()
110 	memset(&dev->stats, 0, sizeof(dev->stats));  in atm_dev_register()
111 	refcount_set(&dev->refcnt, 1);  in atm_dev_register()
113 	if (atm_proc_dev_register(dev) < 0) {  in atm_dev_register()
118 	if (atm_register_sysfs(dev, parent) < 0) {  in atm_dev_register()
120 		atm_proc_dev_deregister(dev);  in atm_dev_register()
124 	list_add_tail(&dev->dev_list, &atm_devs);  in atm_dev_register()
128 	return dev;  in atm_dev_register()
131 	kfree(dev);  in atm_dev_register()
132 	dev = NULL;  in atm_dev_register()
137 void atm_dev_deregister(struct atm_dev *dev)  in atm_dev_deregister()  argument
139 	BUG_ON(test_bit(ATM_DF_REMOVED, &dev->flags));  in atm_dev_deregister()
140 	set_bit(ATM_DF_REMOVED, &dev->flags);  in atm_dev_deregister()
148 	list_del(&dev->dev_list);  in atm_dev_deregister()
151 	atm_dev_release_vccs(dev);  in atm_dev_deregister()
152 	atm_unregister_sysfs(dev);  in atm_dev_deregister()
153 	atm_proc_dev_deregister(dev);  in atm_dev_deregister()
155 	atm_dev_put(dev);  in atm_dev_deregister()
175 static int fetch_stats(struct atm_dev *dev, struct atm_dev_stats __user *arg,  in fetch_stats()  argument
181 	copy_aal_stats(&dev->stats.aal0, &tmp.aal0);  in fetch_stats()
182 	copy_aal_stats(&dev->stats.aal34, &tmp.aal34);  in fetch_stats()
183 	copy_aal_stats(&dev->stats.aal5, &tmp.aal5);  in fetch_stats()
187 		subtract_aal_stats(&dev->stats.aal0, &tmp.aal0);  in fetch_stats()
188 		subtract_aal_stats(&dev->stats.aal34, &tmp.aal34);  in fetch_stats()
189 		subtract_aal_stats(&dev->stats.aal5, &tmp.aal5);  in fetch_stats()
197 	struct atm_dev *dev;  in atm_getnames()  local
216 	list_for_each_entry(dev, &atm_devs, dev_list) {  in atm_getnames()
217 		*tmp_p++ = dev->number;  in atm_getnames()
231 	struct atm_dev *dev;  in atm_dev_ioctl()  local
236 	dev = try_then_request_module(atm_dev_lookup(number), "atm-device-%d",  in atm_dev_ioctl()
238 	if (!dev)  in atm_dev_ioctl()
243 		size = strlen(dev->type) + 1;  in atm_dev_ioctl()
244 		if (copy_to_user(buf, dev->type, size)) {  in atm_dev_ioctl()
251 		if (copy_to_user(buf, dev->esi, size)) {  in atm_dev_ioctl()
261 			if (dev->esi[i]) {  in atm_dev_ioctl()
279 		memcpy(dev->esi, esi, ESI_LEN);  in atm_dev_ioctl()
291 		error = fetch_stats(dev, buf, cmd == ATM_GETSTATZ);  in atm_dev_ioctl()
297 		if (copy_to_user(buf, &dev->ci_range, size)) {  in atm_dev_ioctl()
304 		if (copy_to_user(buf, &dev->link_rate, size)) {  in atm_dev_ioctl()
314 		atm_reset_addr(dev, ATM_ADDR_LOCAL);  in atm_dev_ioctl()
333 			error = atm_add_addr(dev, &addr,  in atm_dev_ioctl()
337 			error = atm_del_addr(dev, &addr,  in atm_dev_ioctl()
344 		error = atm_get_addr(dev, buf, len,  in atm_dev_ioctl()
375 			if (!dev->ops->compat_ioctl) {  in atm_dev_ioctl()
379 			size = dev->ops->compat_ioctl(dev, cmd, buf);  in atm_dev_ioctl()
382 			if (!dev->ops->ioctl) {  in atm_dev_ioctl()
386 			size = dev->ops->ioctl(dev, cmd, buf);  in atm_dev_ioctl()
399 	atm_dev_put(dev);  in atm_dev_ioctl()