293 	struct agp_controller *controller;  in agp_find_controller_by_pid()  local
295 	controller = agp_fe.controllers;  in agp_find_controller_by_pid()
297 	while (controller != NULL) {  in agp_find_controller_by_pid()
298 		if (controller->pid == id)  in agp_find_controller_by_pid()
299 			return controller;  in agp_find_controller_by_pid()
300 		controller = controller->next;  in agp_find_controller_by_pid()
308 	struct agp_controller *controller;  in agp_create_controller()  local
310 	controller = kzalloc(sizeof(struct agp_controller), GFP_KERNEL);  in agp_create_controller()
311 	if (controller == NULL)  in agp_create_controller()
314 	controller->pid = id;  in agp_create_controller()
315 	return controller;  in agp_create_controller()
318 static int agp_insert_controller(struct agp_controller *controller)  in agp_insert_controller()  argument
323 	controller->next = prev_controller;  in agp_insert_controller()
326 		prev_controller->prev = controller;  in agp_insert_controller()
328 	agp_fe.controllers = controller;  in agp_insert_controller()
333 static void agp_remove_all_clients(struct agp_controller *controller)  in agp_remove_all_clients()  argument
338 	client = controller->clients;  in agp_remove_all_clients()
356 static void agp_remove_all_memory(struct agp_controller *controller)  in agp_remove_all_memory()  argument
361 	memory = controller->pool;  in agp_remove_all_memory()
370 static int agp_remove_controller(struct agp_controller *controller)  in agp_remove_controller()  argument
375 	prev_controller = controller->prev;  in agp_remove_controller()
376 	next_controller = controller->next;  in agp_remove_controller()
390 	agp_remove_all_memory(controller);  in agp_remove_controller()
391 	agp_remove_all_clients(controller);  in agp_remove_controller()
393 	if (agp_fe.current_controller == controller) {  in agp_remove_controller()
398 	kfree(controller);  in agp_remove_controller()
402 static void agp_controller_make_current(struct agp_controller *controller)  in agp_controller_make_current()  argument
406 	clients = controller->clients;  in agp_controller_make_current()
420 	agp_fe.current_controller = controller;  in agp_controller_make_current()
423 static void agp_controller_release_current(struct agp_controller *controller,  in agp_controller_release_current()  argument
429 	clients = controller->clients;  in agp_controller_release_current()
453 *agp_find_client_in_controller(struct agp_controller *controller, pid_t id)  in agp_find_client_in_controller()  argument
457 	if (controller == NULL)  in agp_find_client_in_controller()
460 	client = controller->clients;  in agp_find_client_in_controller()
473 	struct agp_controller *controller;  in agp_find_controller_for_client()  local
475 	controller = agp_fe.controllers;  in agp_find_controller_for_client()
477 	while (controller != NULL) {  in agp_find_controller_for_client()
478 		if ((agp_find_client_in_controller(controller, id)) != NULL)  in agp_find_controller_for_client()
479 			return controller;  in agp_find_controller_for_client()
480 		controller = controller->next;  in agp_find_controller_for_client()
529 	struct agp_controller *controller;  in agp_remove_client()  local
531 	controller = agp_find_controller_for_client(id);  in agp_remove_client()
532 	if (controller == NULL)  in agp_remove_client()
535 	client = agp_find_client_in_controller(controller, id);  in agp_remove_client()
550 		controller->clients = next_client;  in agp_remove_client()
553 	controller->num_clients--;  in agp_remove_client()
650 		struct agp_controller *controller;  in agp_release()  local
652 		controller = agp_find_controller_by_pid(priv->my_pid);  in agp_release()
654 		if (controller != NULL) {  in agp_release()
655 			if (controller == agp_fe.current_controller)  in agp_release()
656 				agp_controller_release_current(controller, priv);  in agp_release()
657 			agp_remove_controller(controller);  in agp_release()
658 			controller = NULL;  in agp_release()
737 	struct agp_controller *controller;  in agpioc_acquire_wrap()  local
757 	controller = agp_find_controller_by_pid(priv->my_pid);  in agpioc_acquire_wrap()
759 	if (controller != NULL) {  in agpioc_acquire_wrap()
760 		agp_controller_make_current(controller);  in agpioc_acquire_wrap()
762 		controller = agp_create_controller(priv->my_pid);  in agpioc_acquire_wrap()
764 		if (controller == NULL) {  in agpioc_acquire_wrap()
769 		agp_insert_controller(controller);  in agpioc_acquire_wrap()
770 		agp_controller_make_current(controller);  in agpioc_acquire_wrap()