From patchwork Mon Apr 20 05:39:00 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Herbert Xu X-Patchwork-Id: 6239461 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 C9418BF4A6 for ; Mon, 20 Apr 2015 05:39:06 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 949952034C for ; Mon, 20 Apr 2015 05:39:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B379A2034B for ; Mon, 20 Apr 2015 05:39:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751119AbbDTFjD (ORCPT ); Mon, 20 Apr 2015 01:39:03 -0400 Received: from helcar.hengli.com.au ([209.40.204.226]:38871 "EHLO helcar.hengli.com.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751106AbbDTFjD (ORCPT ); Mon, 20 Apr 2015 01:39:03 -0400 Received: from gondolin.me.apana.org.au ([192.168.0.6]) by norbury.hengli.com.au with esmtp (Exim 4.80 #3 (Debian)) id 1Yk4Q8-0003CJ-9A for ; Mon, 20 Apr 2015 15:39:00 +1000 Received: from herbert by gondolin.me.apana.org.au with local (Exim 4.80) (envelope-from ) id 1Yk4Q8-0004ob-1W; Mon, 20 Apr 2015 13:39:00 +0800 Subject: [PATCH 1/15] crypto: api - Add crypto_alg_extsize helper References: <20150420053515.GA18444@gondor.apana.org.au> To: Linux Crypto Mailing List Message-Id: From: Herbert Xu Date: Mon, 20 Apr 2015 13:39:00 +0800 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, 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 This patch adds a crypto_alg_extsize helper that can be used by algorithm types such as pcompress and shash. Signed-off-by: Herbert Xu --- crypto/algapi.c | 6 ++++++ crypto/internal.h | 2 ++ 2 files changed, 8 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/crypto/algapi.c b/crypto/algapi.c index 2d0a1c6..25c8117 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -964,6 +964,12 @@ void crypto_xor(u8 *dst, const u8 *src, unsigned int size) } EXPORT_SYMBOL_GPL(crypto_xor); +unsigned int crypto_alg_extsize(struct crypto_alg *alg) +{ + return alg->cra_ctxsize; +} +EXPORT_SYMBOL_GPL(crypto_alg_extsize); + static int __init crypto_algapi_init(void) { crypto_init_proc(); diff --git a/crypto/internal.h b/crypto/internal.h index bd39bfc..ed7a70c 100644 --- a/crypto/internal.h +++ b/crypto/internal.h @@ -103,6 +103,8 @@ int crypto_register_notifier(struct notifier_block *nb); int crypto_unregister_notifier(struct notifier_block *nb); int crypto_probing_notify(unsigned long val, void *v); +unsigned int crypto_alg_extsize(struct crypto_alg *alg); + static inline struct crypto_alg *crypto_alg_get(struct crypto_alg *alg) { atomic_inc(&alg->cra_refcnt);