tpm_get_random
return tpm_get_random(chip, data, max);
EXPORT_SYMBOL_GPL(tpm_get_random);
extern int tpm_get_random(struct tpm_chip *chip, u8 *data, size_t max);
ret = tpm_get_random(chip, ononce, TPM_NONCE_SIZE);
ret = tpm_get_random(chip, td->nonceodd, TPM_NONCE_SIZE);
ret = tpm_get_random(chip, nonceodd, TPM_NONCE_SIZE);
return tpm_get_random(chip, key, key_len);