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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: Kamil Konieczny <k.konieczny@partner.samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Kamil Konieczny 2018-01-18 19:34:04 +01:00 committed by Herbert Xu
parent f1b298103e
commit 6f221f7e86
1 changed files with 2 additions and 16 deletions
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18
crypto/ahash.c
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@ -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;
}