295 	struct agp_controller *controller;  in agp_find_controller_by_pid()  local
297 	controller = agp_fe.controllers;  in agp_find_controller_by_pid()
299 	while (controller != NULL) {  in agp_find_controller_by_pid()
300 		if (controller->pid == id)  in agp_find_controller_by_pid()
301 			return controller;  in agp_find_controller_by_pid()
302 		controller = controller->next;  in agp_find_controller_by_pid()
310 	struct agp_controller *controller;  in agp_create_controller()  local
312 	controller = kzalloc(sizeof(struct agp_controller), GFP_KERNEL);  in agp_create_controller()
313 	if (controller == NULL)  in agp_create_controller()
316 	controller->pid = id;  in agp_create_controller()
317 	return controller;  in agp_create_controller()
320 static int agp_insert_controller(struct agp_controller *controller)  in agp_insert_controller()  argument
325 	controller->next = prev_controller;  in agp_insert_controller()
328 		prev_controller->prev = controller;  in agp_insert_controller()
330 	agp_fe.controllers = controller;  in agp_insert_controller()
335 static void agp_remove_all_clients(struct agp_controller *controller)  in agp_remove_all_clients()  argument
340 	client = controller->clients;  in agp_remove_all_clients()
358 static void agp_remove_all_memory(struct agp_controller *controller)  in agp_remove_all_memory()  argument
363 	memory = controller->pool;  in agp_remove_all_memory()
372 static int agp_remove_controller(struct agp_controller *controller)  in agp_remove_controller()  argument
377 	prev_controller = controller->prev;  in agp_remove_controller()
378 	next_controller = controller->next;  in agp_remove_controller()
392 	agp_remove_all_memory(controller);  in agp_remove_controller()
393 	agp_remove_all_clients(controller);  in agp_remove_controller()
395 	if (agp_fe.current_controller == controller) {  in agp_remove_controller()
400 	kfree(controller);  in agp_remove_controller()
404 static void agp_controller_make_current(struct agp_controller *controller)  in agp_controller_make_current()  argument
408 	clients = controller->clients;  in agp_controller_make_current()
422 	agp_fe.current_controller = controller;  in agp_controller_make_current()
425 static void agp_controller_release_current(struct agp_controller *controller,  in agp_controller_release_current()  argument
431 	clients = controller->clients;  in agp_controller_release_current()
455 *agp_find_client_in_controller(struct agp_controller *controller, pid_t id)  in agp_find_client_in_controller()  argument
459 	if (controller == NULL)  in agp_find_client_in_controller()
462 	client = controller->clients;  in agp_find_client_in_controller()
475 	struct agp_controller *controller;  in agp_find_controller_for_client()  local
477 	controller = agp_fe.controllers;  in agp_find_controller_for_client()
479 	while (controller != NULL) {  in agp_find_controller_for_client()
480 		if ((agp_find_client_in_controller(controller, id)) != NULL)  in agp_find_controller_for_client()
481 			return controller;  in agp_find_controller_for_client()
482 		controller = controller->next;  in agp_find_controller_for_client()
531 	struct agp_controller *controller;  in agp_remove_client()  local
533 	controller = agp_find_controller_for_client(id);  in agp_remove_client()
534 	if (controller == NULL)  in agp_remove_client()
537 	client = agp_find_client_in_controller(controller, id);  in agp_remove_client()
552 		controller->clients = next_client;  in agp_remove_client()
555 	controller->num_clients--;  in agp_remove_client()
652 		struct agp_controller *controller;  in agp_release()  local
654 		controller = agp_find_controller_by_pid(priv->my_pid);  in agp_release()
656 		if (controller != NULL) {  in agp_release()
657 			if (controller == agp_fe.current_controller)  in agp_release()
658 				agp_controller_release_current(controller, priv);  in agp_release()
659 			agp_remove_controller(controller);  in agp_release()
660 			controller = NULL;  in agp_release()
739 	struct agp_controller *controller;  in agpioc_acquire_wrap()  local
759 	controller = agp_find_controller_by_pid(priv->my_pid);  in agpioc_acquire_wrap()
761 	if (controller != NULL) {  in agpioc_acquire_wrap()
762 		agp_controller_make_current(controller);  in agpioc_acquire_wrap()
764 		controller = agp_create_controller(priv->my_pid);  in agpioc_acquire_wrap()
766 		if (controller == NULL) {  in agpioc_acquire_wrap()
771 		agp_insert_controller(controller);  in agpioc_acquire_wrap()
772 		agp_controller_make_current(controller);  in agpioc_acquire_wrap()