rem: cbuf_free_chain(sMouseChain);
add: delete_packet_buffer(sMouseBuffer);
context: mouse_close(void * cookie){	TRACE(("mouse_close()\n"));	ps2_enable_mouse(false);		cbuf_free_chain(sMouseChain);	delete_sem(sMouseSem);		remove_io_interrupt_handler(INT_PS2_MOUSE, handle_mouse_interrupt, NULL);		atomic_and(&sOpenMask, 0);		return B_OK;}