From: Kamil Konieczny Subject: [PATCH] crypto: mxs-dcp: Add empty hash export and import Date: Tue, 16 Jan 2018 17:16:40 +0100 Message-ID: <4f3389a1-d6aa-b3cc-2299-d638058ddd48@partner.samsung.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: Marek Vasut , "David S. Miller" , Bartlomiej Zolnierkiewicz , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org To: Herbert Xu Return-path: Received: from mailout1.w1.samsung.com ([210.118.77.11]:51226 "EHLO mailout1.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750817AbeAPQQq (ORCPT ); Tue, 16 Jan 2018 11:16:46 -0500 Content-language: en-US Sender: linux-crypto-owner@vger.kernel.org List-ID: Crypto framework will require async hash export/import, so add empty functions to prevent OOPS. Signed-off-by: Kamil Konieczny --- drivers/crypto/mxs-dcp.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c index 764be3e6933c..a10c418d4e5c 100644 --- a/drivers/crypto/mxs-dcp.c +++ b/drivers/crypto/mxs-dcp.c @@ -759,6 +759,16 @@ static int dcp_sha_digest(struct ahash_request *req) return dcp_sha_finup(req); } +static int dcp_sha_noimport(struct ahash_request *req, const void *in) +{ + return -ENOSYS; +} + +static int dcp_sha_noexport(struct ahash_request *req, void *out) +{ + return -ENOSYS; +} + static int dcp_sha_cra_init(struct crypto_tfm *tfm) { crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm), @@ -829,6 +839,8 @@ static struct ahash_alg dcp_sha1_alg = { .final = dcp_sha_final, .finup = dcp_sha_finup, .digest = dcp_sha_digest, + .import = dcp_sha_noimport, + .export = dcp_sha_noexport, .halg = { .digestsize = SHA1_DIGEST_SIZE, .base = { @@ -853,6 +865,8 @@ static struct ahash_alg dcp_sha256_alg = { .final = dcp_sha_final, .finup = dcp_sha_finup, .digest = dcp_sha_digest, + .import = dcp_sha_noimport, + .export = dcp_sha_noexport, .halg = { .digestsize = SHA256_DIGEST_SIZE, .base = { -- 2.15.0