 wait_for_completion(&pcmcia_unload); 
static void __exit exit_pcmcia_cs(void){	class_interface_unregister(&pccard_sysfs_interface);	class_unregister(&pcmcia_socket_class);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/378a33a686d457fa5a38d6ad134f5385a9cc7860/cs.c/clean/drivers/pcmcia/cs.c