From patchwork Thu Aug 20 06:35:01 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joonsoo Kim X-Patchwork-Id: 7040991 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: X-Original-To: patchwork-linux-crypto@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id A14E8C05AC for ; Thu, 20 Aug 2015 06:37:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D612A2053C for ; Thu, 20 Aug 2015 06:37:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 158942053B for ; Thu, 20 Aug 2015 06:37:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752309AbbHTGfq (ORCPT ); Thu, 20 Aug 2015 02:35:46 -0400 Received: from mail-pa0-f42.google.com ([209.85.220.42]:35566 "EHLO mail-pa0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752222AbbHTGfp (ORCPT ); Thu, 20 Aug 2015 02:35:45 -0400 Received: by pacdd16 with SMTP id dd16so12633931pac.2; Wed, 19 Aug 2015 23:35:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=VxlGoP1f7U3w+GCUpmq7LzAVQ6UuChM3hjqqL5JOo2I=; b=PPvfkQswc+YyEkj/4yEJmc4EjL1BV8eOF2rIWsx8eJdNbMMdJgQzEfe4nKHm70vYPV N4gxnS1RaK4Y3pCI4BOb8o1Ccbel2jJyoLdUNShWB1VftmucNrjcbrZYStVVr9hEVJGB VssczCO2FK06LmKLF8vASAWfnUHeMj0qFlpv3nRDXDqOYr0o1+PNiU/4H1Tel1gnYD1z Xx3R3ptWWN30YJxlqgN5BPaEXJk9/7fRGCsZ7dQMjEHUxMU8vXU1M4hC2QFKY2+8AqIZ MySVoEw2Io+Yt55+oDwjX8VI69dWrZqRFIYN7liX6cFLnBM4gELNTzqXpz4cU4g3LQEp 0dfw== X-Received: by 10.68.190.234 with SMTP id gt10mr3295428pbc.153.1440052544893; Wed, 19 Aug 2015 23:35:44 -0700 (PDT) Received: from localhost.localdomain ([119.69.155.222]) by smtp.gmail.com with ESMTPSA id v6sm3023378pdp.18.2015.08.19.23.35.39 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 19 Aug 2015 23:35:44 -0700 (PDT) From: Joonsoo Kim X-Google-Original-From: Joonsoo Kim To: Andrew Morton Cc: Minchan Kim , Nitin Gupta , Sergey Senozhatsky , linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, Herbert Xu , "David S. Miller" , Stephan Mueller , Joonsoo Kim Subject: [PATCH v2 5/8] crypto/842: support decompress_noctx Date: Thu, 20 Aug 2015 15:35:01 +0900 Message-Id: <1440052504-15442-6-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1440052504-15442-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1440052504-15442-1-git-send-email-iamjoonsoo.kim@lge.com> Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 842's decompression doesn't requires any scratch buffer so it doesn't need tfm context. Hence, it can support crypto compression noctx API and this patch implements it. Signed-off-by: Joonsoo Kim --- crypto/842.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/crypto/842.c b/crypto/842.c index b6503ea..9acb595 100644 --- a/crypto/842.c +++ b/crypto/842.c @@ -52,6 +52,12 @@ static int crypto842_decompress(struct crypto_tfm *tfm, return sw842_decompress(src, slen, dst, dlen); } +static int crypto842_decompress_noctx(const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen) +{ + return sw842_decompress(src, slen, dst, dlen); +} + static struct crypto_alg alg = { .cra_name = "842", .cra_driver_name = "842-generic", @@ -63,7 +69,7 @@ static struct crypto_alg alg = { .coa_compress = crypto842_compress, .coa_decompress = crypto842_decompress, .coa_compress_noctx = NULL, - .coa_decompress_noctx = NULL } } + .coa_decompress_noctx = crypto842_decompress_noctx } } }; static int __init crypto842_mod_init(void)