1245 	counter->device_state->groups_list = groups_list;  in counter_device_groups_list_prepare()
1246 	counter->device_state->num_groups = num_groups;  in counter_device_groups_list_prepare()
1256 	struct counter_device_state *const device_state)  in counter_device_groups_prepare()  argument
1264 	device_state->groups = kcalloc(device_state->num_groups + 1,  in counter_device_groups_prepare()
1265 				       sizeof(*device_state->groups),  in counter_device_groups_prepare()
1267 	if (!device_state->groups)  in counter_device_groups_prepare()
1271 	for (i = 0; i < device_state->num_groups; i++) {  in counter_device_groups_prepare()
1272 		group = device_state->groups_list + i;  in counter_device_groups_prepare()
1288 		device_state->groups[i] = &group->attr_group;  in counter_device_groups_prepare()
1291 	device_state->dev.groups = device_state->groups;  in counter_device_groups_prepare()
1297 		group = device_state->groups_list + i;  in counter_device_groups_prepare()
1301 	kfree(device_state->groups);  in counter_device_groups_prepare()
1311 	struct counter_device_state *const device_state = counter->device_state;  in counter_device_release()  local
1313 	kfree(device_state->groups);  in counter_device_release()
1314 	counter_device_groups_list_free(device_state->groups_list,  in counter_device_release()
1315 					device_state->num_groups);  in counter_device_release()
1316 	ida_simple_remove(&counter_ida, device_state->id);  in counter_device_release()
1317 	kfree(device_state);  in counter_device_release()
1339 	struct counter_device_state *device_state;  in counter_register()  local
1343 	device_state = kzalloc(sizeof(*device_state), GFP_KERNEL);  in counter_register()
1344 	if (!device_state)  in counter_register()
1346 	counter->device_state = device_state;  in counter_register()
1349 	device_state->id = ida_simple_get(&counter_ida, 0, 0, GFP_KERNEL);  in counter_register()
1350 	if (device_state->id < 0) {  in counter_register()
1351 		err = device_state->id;  in counter_register()
1356 	device_state->dev.type = &counter_device_type;  in counter_register()
1357 	device_state->dev.bus = &counter_bus_type;  in counter_register()
1359 		device_state->dev.parent = counter->parent;  in counter_register()
1360 		device_state->dev.of_node = counter->parent->of_node;  in counter_register()
1362 	dev_set_name(&device_state->dev, "counter%d", device_state->id);  in counter_register()
1363 	device_initialize(&device_state->dev);  in counter_register()
1364 	dev_set_drvdata(&device_state->dev, counter);  in counter_register()
1372 	err = counter_device_groups_prepare(device_state);  in counter_register()
1377 	err = device_add(&device_state->dev);  in counter_register()
1384 	kfree(device_state->groups);  in counter_register()
1386 	counter_device_groups_list_free(device_state->groups_list,  in counter_register()
1387 					device_state->num_groups);  in counter_register()
1389 	ida_simple_remove(&counter_ida, device_state->id);  in counter_register()
1391 	kfree(device_state);  in counter_register()
1405 		device_del(&counter->device_state->dev);  in counter_unregister()