usb_register_notify(&usbfs_nb);  
int __init usbfs_init(void){	int retval;	retval = register_filesystem(&usb_fs_type);	if (retval)		return retval;	/* create mount point for usbfs */	usbdir = proc_mkdir("usb", proc_bus);	return 0;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/54a5c4cd2e4ec0b27c2c3731727f52591456086c/inode.c/clean/drivers/usb/core/inode.c