From patchwork Sat May 2 05:31:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 11523711 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E59721575 for ; Sat, 2 May 2020 05:33:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C582624956 for ; Sat, 2 May 2020 05:33:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588397626; bh=i49rYlWOgGRkpQzKkI6h8x4Gn4+mja8Y0bFYbbJ2QY0=; h=From:To:Subject:Date:In-Reply-To:References:List-ID:From; b=Ajo4sCiUbQahUje36kszrApXE8/a6lnjqKy2ox29cKJSdQOkl/TZVBVW+k3xhVWLi Kl/aYL4cbT8D7aIraE2oXtJb9X+XOrwEtH2xTrhKTa9/FvOMwiY4tOVKm92ov5DYxZ Sf99Sv+3CBvz3UtG7OSQMFuvQCbUoZ+afXhM7VKA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727823AbgEBFdp (ORCPT ); Sat, 2 May 2020 01:33:45 -0400 Received: from mail.kernel.org ([198.145.29.99]:39222 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727778AbgEBFdo (ORCPT ); Sat, 2 May 2020 01:33:44 -0400 Received: from sol.hsd1.ca.comcast.net (c-107-3-166-239.hsd1.ca.comcast.net [107.3.166.239]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E1E6324957 for ; Sat, 2 May 2020 05:33:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588397624; bh=i49rYlWOgGRkpQzKkI6h8x4Gn4+mja8Y0bFYbbJ2QY0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=gnQ0t06SZ883q3MY07cVsMqByZiysc+XyC0zDThT390R0X8MXqbUjHcG7QwA6bcHT ACyP1VWn0mb9DbPwzKrJgzaWwq5ly8m7j4bE9axqx6hHWyuvJl2/kJo0ORrqXh+y7j QLYNRO9SvGxwOdjD2+K/+XDkiRVbNfbcEYqtiZeA= From: Eric Biggers To: linux-crypto@vger.kernel.org Subject: [PATCH 10/20] crypto: omap-sham - use crypto_shash_tfm_digest() Date: Fri, 1 May 2020 22:31:12 -0700 Message-Id: <20200502053122.995648-11-ebiggers@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200502053122.995648-1-ebiggers@kernel.org> References: <20200502053122.995648-1-ebiggers@kernel.org> MIME-Version: 1.0 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org From: Eric Biggers Instead of manually allocating a 'struct shash_desc' on the stack and calling crypto_shash_digest(), switch to using the new helper function crypto_shash_tfm_digest() which does this for us. Signed-off-by: Eric Biggers --- drivers/crypto/omap-sham.c | 20 ++++---------------- 1 file changed, 4 insertions(+), 16 deletions(-) diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c index e4072cd385857c..d600c5b3fdd3f6 100644 --- a/drivers/crypto/omap-sham.c +++ b/drivers/crypto/omap-sham.c @@ -1245,16 +1245,6 @@ static int omap_sham_update(struct ahash_request *req) return omap_sham_enqueue(req, OP_UPDATE); } -static int omap_sham_shash_digest(struct crypto_shash *tfm, u32 flags, - const u8 *data, unsigned int len, u8 *out) -{ - SHASH_DESC_ON_STACK(shash, tfm); - - shash->tfm = tfm; - - return crypto_shash_digest(shash, data, len, out); -} - static int omap_sham_final_shash(struct ahash_request *req) { struct omap_sham_ctx *tctx = crypto_tfm_ctx(req->base.tfm); @@ -1270,9 +1260,8 @@ static int omap_sham_final_shash(struct ahash_request *req) !test_bit(FLAGS_AUTO_XOR, &ctx->dd->flags)) offset = get_block_size(ctx); - return omap_sham_shash_digest(tctx->fallback, req->base.flags, - ctx->buffer + offset, - ctx->bufcnt - offset, req->result); + return crypto_shash_tfm_digest(tctx->fallback, ctx->buffer + offset, + ctx->bufcnt - offset, req->result); } static int omap_sham_final(struct ahash_request *req) @@ -1351,9 +1340,8 @@ static int omap_sham_setkey(struct crypto_ahash *tfm, const u8 *key, return err; if (keylen > bs) { - err = omap_sham_shash_digest(bctx->shash, - crypto_shash_get_flags(bctx->shash), - key, keylen, bctx->ipad); + err = crypto_shash_tfm_digest(bctx->shash, key, keylen, + bctx->ipad); if (err) return err; keylen = ds;