1316 	counter->device_state->groups_list = groups_list;  in counter_device_groups_list_prepare()
1317 	counter->device_state->num_groups = num_groups;  in counter_device_groups_list_prepare()
1327 	struct counter_device_state *const device_state)  in counter_device_groups_prepare()  argument
1335 	device_state->groups = kcalloc(device_state->num_groups + 1,  in counter_device_groups_prepare()
1336 				       sizeof(*device_state->groups),  in counter_device_groups_prepare()
1338 	if (!device_state->groups)  in counter_device_groups_prepare()
1342 	for (i = 0; i < device_state->num_groups; i++) {  in counter_device_groups_prepare()
1343 		group = device_state->groups_list + i;  in counter_device_groups_prepare()
1359 		device_state->groups[i] = &group->attr_group;  in counter_device_groups_prepare()
1362 	device_state->dev.groups = device_state->groups;  in counter_device_groups_prepare()
1368 		group = device_state->groups_list + i;  in counter_device_groups_prepare()
1372 	kfree(device_state->groups);  in counter_device_groups_prepare()
1382 	struct counter_device_state *const device_state = counter->device_state;  in counter_device_release()  local
1384 	kfree(device_state->groups);  in counter_device_release()
1385 	counter_device_groups_list_free(device_state->groups_list,  in counter_device_release()
1386 					device_state->num_groups);  in counter_device_release()
1387 	ida_simple_remove(&counter_ida, device_state->id);  in counter_device_release()
1388 	kfree(device_state);  in counter_device_release()
1410 	struct counter_device_state *device_state;  in counter_register()  local
1414 	device_state = kzalloc(sizeof(*device_state), GFP_KERNEL);  in counter_register()
1415 	if (!device_state)  in counter_register()
1417 	counter->device_state = device_state;  in counter_register()
1420 	device_state->id = ida_simple_get(&counter_ida, 0, 0, GFP_KERNEL);  in counter_register()
1421 	if (device_state->id < 0) {  in counter_register()
1422 		err = device_state->id;  in counter_register()
1427 	device_state->dev.type = &counter_device_type;  in counter_register()
1428 	device_state->dev.bus = &counter_bus_type;  in counter_register()
1430 		device_state->dev.parent = counter->parent;  in counter_register()
1431 		device_state->dev.of_node = counter->parent->of_node;  in counter_register()
1433 	dev_set_name(&device_state->dev, "counter%d", device_state->id);  in counter_register()
1434 	device_initialize(&device_state->dev);  in counter_register()
1435 	dev_set_drvdata(&device_state->dev, counter);  in counter_register()
1443 	err = counter_device_groups_prepare(device_state);  in counter_register()
1448 	err = device_add(&device_state->dev);  in counter_register()
1455 	kfree(device_state->groups);  in counter_register()
1457 	counter_device_groups_list_free(device_state->groups_list,  in counter_register()
1458 					device_state->num_groups);  in counter_register()
1460 	ida_simple_remove(&counter_ida, device_state->id);  in counter_register()
1462 	kfree(device_state);  in counter_register()
1476 		device_del(&counter->device_state->dev);  in counter_unregister()