From patchwork Thu Mar 5 16:46:06 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Leroy X-Patchwork-Id: 5947691 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 03564BF440 for ; Thu, 5 Mar 2015 16:46:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 325BA2038F for ; Thu, 5 Mar 2015 16:46:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CACDB2038E for ; Thu, 5 Mar 2015 16:46:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753163AbbCEQqN (ORCPT ); Thu, 5 Mar 2015 11:46:13 -0500 Received: from pegase1.c-s.fr ([93.17.236.30]:48143 "EHLO mailhub1.si.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752215AbbCEQqN (ORCPT ); Thu, 5 Mar 2015 11:46:13 -0500 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id C06DD1C832C; Thu, 5 Mar 2015 17:46:10 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from mailhub1.si.c-s.fr ([192.168.12.234]) by localhost (mailhub1.c-s.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id dtGON-IN0AGJ; Thu, 5 Mar 2015 17:46:10 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id A38251C8301; Thu, 5 Mar 2015 17:46:10 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 63C61C73CB; Thu, 5 Mar 2015 17:46:09 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id 6tzmLoo8n2YW; Thu, 5 Mar 2015 17:46:09 +0100 (CET) Received: from PO10863.localdomain (unknown [172.25.231.75]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 7E1BEC73C4; Thu, 5 Mar 2015 17:46:07 +0100 (CET) Received: by localhost.localdomain (Postfix, from userid 0) id 474EA1A241E; Thu, 5 Mar 2015 17:46:06 +0100 (CET) From: Christophe Leroy To: Kim Phillips , Herbert Xu , "David S. Miller" CC: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-crypto@vger.kernel.org Subject: [PATCH 03/17] crypto: talitos - Use zero entry to init descriptors ptrs to zero Message-Id: <20150305164606.474EA1A241E@localhost.localdomain> Date: Thu, 5 Mar 2015 17:46:06 +0100 (CET) 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 Do use zero_entry value to init the descriptors ptrs to zero instead of writing 0 in each field Signed-off-by: Christophe Leroy --- drivers/crypto/talitos.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index e3a2d75..b54c998 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -1387,9 +1387,7 @@ static int common_nonsnoop(struct talitos_edesc *edesc, int sg_count, ret; /* first DWORD empty */ - desc->ptr[0].len = 0; - to_talitos_ptr(&desc->ptr[0], 0); - desc->ptr[0].j_extent = 0; + desc->ptr[0] = zero_entry; /* cipher iv */ to_talitos_ptr(&desc->ptr[1], edesc->iv_dma); @@ -1459,9 +1457,7 @@ static int common_nonsnoop(struct talitos_edesc *edesc, DMA_FROM_DEVICE); /* last DWORD empty */ - desc->ptr[6].len = 0; - to_talitos_ptr(&desc->ptr[6], 0); - desc->ptr[6].j_extent = 0; + desc->ptr[6] = zero_entry; ret = talitos_submit(dev, ctx->ch, desc, callback, areq); if (ret != -EINPROGRESS) {