class_unregister(&mmc_host_class); 
static void __exit mmc_exit(void){	bus_unregister(&mmc_bus_type);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/00b137cfda5276b3d2c87d44236fe4c5ee68b405/mmc_sysfs.c/buggy/drivers/mmc/mmc_sysfs.c