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: 446790 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [103.22.144.68]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 951BE14016B for ; Fri, 6 Mar 2015 03:47:46 +1100 (AEDT) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 6C16A1A0784 for ; Fri, 6 Mar 2015 03:47:46 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from mailhub1.si.c-s.fr (pegase1.c-s.fr [93.17.236.30]) by lists.ozlabs.org (Postfix) with ESMTP id B3EA11A0174 for ; Fri, 6 Mar 2015 03:46:13 +1100 (AEDT) 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" 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) Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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) {