From patchwork Sun Oct 15 09:20:02 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gilad Ben-Yossef X-Patchwork-Id: 10006953 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3868460230 for ; Sun, 15 Oct 2017 09:26:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 29CE828B14 for ; Sun, 15 Oct 2017 09:26:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1E13828CA0; Sun, 15 Oct 2017 09:26:29 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id AA60928B14 for ; Sun, 15 Oct 2017 09:26:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=ARguE4Q7pua3ow+jOzX4fM4JtuBWjpkEgncxG6gtwjM=; b=XZ/Xrff8bqwFkbzrvxlsF+WjR1 Nk+j880OgJucJ2p6qIC9E59QLQsSVDNZ9GaVPlJzI+obp99Oi8kcn1CnH+/U9GTqyUvpKN/6UmKWU 4LK6MRQAqoL/2BYA4udhb33vvyTpeLqy3pdMaPQl7n6+vSW1qzhczxqqoPtBreEm/Rp6BXkNmeUUJ Hs+tvU3ekYu0nwnzVsndQjRP5/lSxoxiwWYEARFgPZw4FPyf/CWSqvohoZSl88sZabV+HrR7Ch6Si IFZL4PX+YvVPD1mbqhPUMw//DcOGBjpEyfxOF2iP9IABLJOgBE2AdphwSKnXDrsle+yoFBNfvc3sD 4ldRFAiw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1e3fBf-00073R-Vg; Sun, 15 Oct 2017 09:26:23 +0000 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70] helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1e3fAp-0005mu-Ny; Sun, 15 Oct 2017 09:25:41 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 20F5F1A9A; Sun, 15 Oct 2017 02:25:14 -0700 (PDT) Received: from localhost.localdomain (usa-sjc-mx-foss1.foss.arm.com [217.140.101.70]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id DC5663F3E1; Sun, 15 Oct 2017 02:25:05 -0700 (PDT) From: Gilad Ben-Yossef To: Herbert Xu , "David S. Miller" , Jonathan Corbet , David Howells , Tom Lendacky , Gary Hook , Boris Brezillon , Arnaud Ebalard , Matthias Brugger , Alasdair Kergon , Mike Snitzer , dm-devel@redhat.com, Steve French , "Theodore Y. Ts'o" , Jaegeuk Kim , Steffen Klassert , Alexey Kuznetsov , Hideaki YOSHIFUJI , Mimi Zohar , Dmitry Kasatkin , James Morris , "Serge E. Hallyn" Subject: [PATCH v9 17/20] crypto: talitos: move to generic async completion Date: Sun, 15 Oct 2017 10:20:02 +0100 Message-Id: <1508059209-25529-18-git-send-email-gilad@benyossef.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1508059209-25529-1-git-send-email-gilad@benyossef.com> References: <1508059209-25529-1-git-send-email-gilad@benyossef.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171015_022532_289712_07DA04A3 X-CRM114-Status: GOOD ( 11.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-cifs@vger.kernel.org, linux-doc@vger.kernel.org, linux-ima-user@lists.sourceforge.net, netdev@vger.kernel.org, samba-technical@lists.samba.org, linux-kernel@vger.kernel.org, linux-fscrypt@vger.kernel.org, keyrings@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-crypto@vger.kernel.org, linux-security-module@vger.kernel.org, linux-ima-devel@lists.sourceforge.net, linux-arm-kernel@lists.infradead.org, Ofir Drang MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The talitos driver starts several async crypto ops and waits for their completions. Move it over to generic code doing the same. Signed-off-by: Gilad Ben-Yossef Tested-by: Christophe Leroy --- drivers/crypto/talitos.c | 38 +++++--------------------------------- 1 file changed, 5 insertions(+), 33 deletions(-) diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index 5bd8191..9c80e0c 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -2160,22 +2160,6 @@ static int ahash_import(struct ahash_request *areq, const void *in) return 0; } -struct keyhash_result { - struct completion completion; - int err; -}; - -static void keyhash_complete(struct crypto_async_request *req, int err) -{ - struct keyhash_result *res = req->data; - - if (err == -EINPROGRESS) - return; - - res->err = err; - complete(&res->completion); -} - static int keyhash(struct crypto_ahash *tfm, const u8 *key, unsigned int keylen, u8 *hash) { @@ -2183,10 +2167,10 @@ static int keyhash(struct crypto_ahash *tfm, const u8 *key, unsigned int keylen, struct scatterlist sg[1]; struct ahash_request *req; - struct keyhash_result hresult; + struct crypto_wait wait; int ret; - init_completion(&hresult.completion); + crypto_init_wait(&wait); req = ahash_request_alloc(tfm, GFP_KERNEL); if (!req) @@ -2195,25 +2179,13 @@ static int keyhash(struct crypto_ahash *tfm, const u8 *key, unsigned int keylen, /* Keep tfm keylen == 0 during hash of the long key */ ctx->keylen = 0; ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG, - keyhash_complete, &hresult); + crypto_req_done, &wait); sg_init_one(&sg[0], key, keylen); ahash_request_set_crypt(req, sg, hash, keylen); - ret = crypto_ahash_digest(req); - switch (ret) { - case 0: - break; - case -EINPROGRESS: - case -EBUSY: - ret = wait_for_completion_interruptible( - &hresult.completion); - if (!ret) - ret = hresult.err; - break; - default: - break; - } + ret = crypto_wait_req(crypto_ahash_digest(req), &wait); + ahash_request_free(req); return ret;