Commit 6f221f7e authored by Kamil Konieczny's avatar Kamil Konieczny Committed by Herbert Xu
Browse files

crypto: hash - Require export/import in ahash 



Export and import are mandatory in async hash. As drivers were
rewritten, drop empty wrappers and correct init of ahash transformation.

Signed-off-by: default avatarKamil Konieczny <k.konieczny@partner.samsung.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent f1b29810

crypto/ahash.c

+2 −16
Original line number Diff line number Diff line
@@ -446,24 +446,12 @@ static int ahash_def_finup(struct ahash_request *req) 
	return ahash_def_finup_finish1(req, err);

}



static int ahash_no_export(struct ahash_request *req, void *out)

{

	return -ENOSYS;

}



static int ahash_no_import(struct ahash_request *req, const void *in)

{

	return -ENOSYS;

}



static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)

{

	struct crypto_ahash *hash = __crypto_ahash_cast(tfm);

	struct ahash_alg *alg = crypto_ahash_alg(hash);



	hash->setkey = ahash_nosetkey;

	hash->export = ahash_no_export;

	hash->import = ahash_no_import;



	if (tfm->__crt_alg->cra_type != &crypto_ahash_type)

		return crypto_init_shash_ops_async(tfm);
@@ -473,16 +461,14 @@ static int crypto_ahash_init_tfm(struct crypto_tfm *tfm) 
	hash->final = alg->final;

	hash->finup = alg->finup ?: ahash_def_finup;

	hash->digest = alg->digest;

	hash->export = alg->export;

	hash->import = alg->import;



	if (alg->setkey) {

		hash->setkey = alg->setkey;

		if (!(alg->halg.base.cra_flags & CRYPTO_ALG_OPTIONAL_KEY))

			crypto_ahash_set_flags(hash, CRYPTO_TFM_NEED_KEY);

	}

	if (alg->export)

		hash->export = alg->export;

	if (alg->import)

		hash->import = alg->import;



	return 0;

}