ahash_do_req_chain
return ahash_do_req_chain(req, &crypto_ahash_alg(tfm)->update);
err = ahash_do_req_chain(req, &crypto_ahash_alg(tfm)->update);
return ahash_do_req_chain(req, &crypto_ahash_alg(tfm)->finup);
err = ahash_do_req_chain(req, &crypto_ahash_alg(tfm)->finup);
return ahash_do_req_chain(req, &crypto_ahash_alg(tfm)->digest);