296 	struct agp_controller *controller;  in agp_find_controller_by_pid()  local
298 	controller = agp_fe.controllers;  in agp_find_controller_by_pid()
300 	while (controller != NULL) {  in agp_find_controller_by_pid()
301 		if (controller->pid == id)  in agp_find_controller_by_pid()
302 			return controller;  in agp_find_controller_by_pid()
303 		controller = controller->next;  in agp_find_controller_by_pid()
311 	struct agp_controller *controller;  in agp_create_controller()  local
313 	controller = kzalloc(sizeof(struct agp_controller), GFP_KERNEL);  in agp_create_controller()
314 	if (controller == NULL)  in agp_create_controller()
317 	controller->pid = id;  in agp_create_controller()
318 	return controller;  in agp_create_controller()
321 static int agp_insert_controller(struct agp_controller *controller)  in agp_insert_controller()  argument
326 	controller->next = prev_controller;  in agp_insert_controller()
329 		prev_controller->prev = controller;  in agp_insert_controller()
331 	agp_fe.controllers = controller;  in agp_insert_controller()
336 static void agp_remove_all_clients(struct agp_controller *controller)  in agp_remove_all_clients()  argument
341 	client = controller->clients;  in agp_remove_all_clients()
359 static void agp_remove_all_memory(struct agp_controller *controller)  in agp_remove_all_memory()  argument
364 	memory = controller->pool;  in agp_remove_all_memory()
373 static int agp_remove_controller(struct agp_controller *controller)  in agp_remove_controller()  argument
378 	prev_controller = controller->prev;  in agp_remove_controller()
379 	next_controller = controller->next;  in agp_remove_controller()
393 	agp_remove_all_memory(controller);  in agp_remove_controller()
394 	agp_remove_all_clients(controller);  in agp_remove_controller()
396 	if (agp_fe.current_controller == controller) {  in agp_remove_controller()
401 	kfree(controller);  in agp_remove_controller()
405 static void agp_controller_make_current(struct agp_controller *controller)  in agp_controller_make_current()  argument
409 	clients = controller->clients;  in agp_controller_make_current()
423 	agp_fe.current_controller = controller;  in agp_controller_make_current()
426 static void agp_controller_release_current(struct agp_controller *controller,  in agp_controller_release_current()  argument
432 	clients = controller->clients;  in agp_controller_release_current()
456 *agp_find_client_in_controller(struct agp_controller *controller, pid_t id)  in agp_find_client_in_controller()  argument
460 	if (controller == NULL)  in agp_find_client_in_controller()
463 	client = controller->clients;  in agp_find_client_in_controller()
476 	struct agp_controller *controller;  in agp_find_controller_for_client()  local
478 	controller = agp_fe.controllers;  in agp_find_controller_for_client()
480 	while (controller != NULL) {  in agp_find_controller_for_client()
481 		if ((agp_find_client_in_controller(controller, id)) != NULL)  in agp_find_controller_for_client()
482 			return controller;  in agp_find_controller_for_client()
483 		controller = controller->next;  in agp_find_controller_for_client()
532 	struct agp_controller *controller;  in agp_remove_client()  local
534 	controller = agp_find_controller_for_client(id);  in agp_remove_client()
535 	if (controller == NULL)  in agp_remove_client()
538 	client = agp_find_client_in_controller(controller, id);  in agp_remove_client()
553 		controller->clients = next_client;  in agp_remove_client()
556 	controller->num_clients--;  in agp_remove_client()
651 		struct agp_controller *controller;  in agp_release()  local
653 		controller = agp_find_controller_by_pid(priv->my_pid);  in agp_release()
655 		if (controller != NULL) {  in agp_release()
656 			if (controller == agp_fe.current_controller)  in agp_release()
657 				agp_controller_release_current(controller, priv);  in agp_release()
658 			agp_remove_controller(controller);  in agp_release()
659 			controller = NULL;  in agp_release()
750 	struct agp_controller *controller;  in agpioc_acquire_wrap()  local
770 	controller = agp_find_controller_by_pid(priv->my_pid);  in agpioc_acquire_wrap()
772 	if (controller != NULL) {  in agpioc_acquire_wrap()
773 		agp_controller_make_current(controller);  in agpioc_acquire_wrap()
775 		controller = agp_create_controller(priv->my_pid);  in agpioc_acquire_wrap()
777 		if (controller == NULL) {  in agpioc_acquire_wrap()
782 		agp_insert_controller(controller);  in agpioc_acquire_wrap()
783 		agp_controller_make_current(controller);  in agpioc_acquire_wrap()