From: Kamil Konieczny Subject: Re: [PATCH] crypto: n2_core: Add empty hash export and import Date: Thu, 18 Jan 2018 18:53:41 +0100 Message-ID: <99689cdf-781f-9e24-7fcd-e810e30c57f2@partner.samsung.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: "David S. Miller" , Bartlomiej Zolnierkiewicz , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org To: Herbert Xu Return-path: In-reply-to: Content-language: en-US Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org Please drop this as I will resend it as part of patchset. On 16.01.2018 17:18, Kamil Konieczny wrote: > Crypto framework will require async hash export/import, so add empty > functions to prevent OOPS. > > Signed-off-by: Kamil Konieczny > --- > drivers/crypto/n2_core.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c > index 662e709812cc..80e9c842aad4 100644 > --- a/drivers/crypto/n2_core.c > +++ b/drivers/crypto/n2_core.c > @@ -359,6 +359,16 @@ static int n2_hash_async_finup(struct ahash_request *req) > return crypto_ahash_finup(&rctx->fallback_req); > } > > +static int n2_hash_async_noimport(struct ahash_request *req, const void *in) > +{ > + return -ENOSYS; > +} > + > +static int n2_hash_async_noexport(struct ahash_request *req, void *out) > +{ > + return -ENOSYS; > +} > + > static int n2_hash_cra_init(struct crypto_tfm *tfm) > { > const char *fallback_driver_name = crypto_tfm_alg_name(tfm); > @@ -1467,6 +1477,8 @@ static int __n2_register_one_ahash(const struct n2_hash_tmpl *tmpl) > ahash->final = n2_hash_async_final; > ahash->finup = n2_hash_async_finup; > ahash->digest = n2_hash_async_digest; > + ahash->export = n2_hash_async_noexport; > + ahash->import = n2_hash_async_noimport; > > halg = &ahash->halg; > halg->digestsize = tmpl->digest_size; > -- Best regards, Kamil Konieczny Samsung R&D Institute Poland