On 16.01.2018 19:38, Kamil Konieczny wrote:
> Export and import were optional in async hash. As most drivers were
> rewritten, they become mandatory now, so correct init of ahash
> transformation.
>
> Signed-off-by: Kamil Konieczny <k.konieczny@xxxxxxxxxxxxxxxxxxx>
Please drop this patch, as there is one more driver needed for convert,
namely bfin_crc.c
I will also prepare this as patch series, to be sure that this patch is last
> ---
> This is resend of previous patch. As Bartlomiej Zolnierkiewicz pointed out,
> there are still three crypto drivers that didn't have export/import implemented:
>
> drivers/crypto/mxs-dcp.c
> drivers/crypto/n2_core.c
> drivers/crypto/ux500/hash/hash_core.c
>
> I have no documentation for them, so I sended patches with the behaviour taken
> from crypto framework, but maybe that hardware is capable of import/export,
> so proper implementation is possible. Unfortunatly, there is no maintainer
> for any of these files.
>
> Please take this patch after these remainig drivers will be patched.
>
> crypto/ahash.c | 18 ++----------------
> 1 file changed, 2 insertions(+), 16 deletions(-)
>
> diff --git a/crypto/ahash.c b/crypto/ahash.c
> index 3a35d67de7d9..7a8906d5af53 100644
> --- a/crypto/ahash.c
> +++ b/crypto/ahash.c
> @@ -434,16 +434,6 @@ 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);
> @@ -451,8 +441,8 @@ static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)
>
> hash->setkey = ahash_nosetkey;
> hash->has_setkey = false;
> - hash->export = ahash_no_export;
> - hash->import = ahash_no_import;
> + hash->export = alg->export;
> + hash->import = alg->import;
>
> if (tfm->__crt_alg->cra_type != &crypto_ahash_type)
> return crypto_init_shash_ops_async(tfm);
> @@ -467,10 +457,6 @@ static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)
> hash->setkey = alg->setkey;
> hash->has_setkey = true;
> }
> - if (alg->export)
> - hash->export = alg->export;
> - if (alg->import)
> - hash->import = alg->import;
>
> return 0;
> }
>
--
Best regards,
Kamil Konieczny
Samsung R&D Institute Poland
