LO_KEY_SIZE
unsigned char lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */
if ((unsigned int) info->lo_encrypt_key_size > LO_KEY_SIZE)
unsigned char lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */
__u8 lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */