From patchwork Fri Apr 29 20:09:11 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 8985241 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: X-Original-To: patchwork-linux-crypto@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id EAE009F39D for ; Fri, 29 Apr 2016 20:25:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2B6CB2015A for ; Fri, 29 Apr 2016 20:25:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 44C58201B4 for ; Fri, 29 Apr 2016 20:25:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752872AbcD2UYx (ORCPT ); Fri, 29 Apr 2016 16:24:53 -0400 Received: from mail3-relais-sop.national.inria.fr ([192.134.164.104]:27708 "EHLO mail3-relais-sop.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752760AbcD2UYe (ORCPT ); Fri, 29 Apr 2016 16:24:34 -0400 X-IronPort-AV: E=Sophos;i="5.24,553,1454972400"; d="scan'208";a="176255468" Received: from palace.rsr.lip6.fr (HELO localhost.localdomain) ([132.227.105.202]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/AES128-SHA256; 29 Apr 2016 22:24:28 +0200 From: Julia Lawall To: Boris Brezillon Cc: kernel-janitors@vger.kernel.org, Arnaud Ebalard , Herbert Xu , "David S. Miller" , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/5] crypto: Use dma_pool_zalloc Date: Fri, 29 Apr 2016 22:09:11 +0200 Message-Id: <1461960552-7429-5-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1461960552-7429-1-git-send-email-Julia.Lawall@lip6.fr> References: <1461960552-7429-1-git-send-email-Julia.Lawall@lip6.fr> Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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 Dma_pool_zalloc combines dma_pool_alloc and memset 0. The semantic patch that makes this transformation is as follows: (http://coccinelle.lip6.fr/) // @@ expression d,e; statement S; @@ d = - dma_pool_alloc + dma_pool_zalloc (...); if (!d) S - memset(d, 0, sizeof(*d)); // Signed-off-by: Julia Lawall Acked-by: Boris Brezillon --- drivers/crypto/marvell/tdma.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) -- 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/drivers/crypto/marvell/tdma.c b/drivers/crypto/marvell/tdma.c index 7642798..0ad8f1e 100644 --- a/drivers/crypto/marvell/tdma.c +++ b/drivers/crypto/marvell/tdma.c @@ -99,12 +99,11 @@ mv_cesa_dma_add_desc(struct mv_cesa_tdma_chain *chain, gfp_t flags) struct mv_cesa_tdma_desc *new_tdma = NULL; dma_addr_t dma_handle; - new_tdma = dma_pool_alloc(cesa_dev->dma->tdma_desc_pool, flags, - &dma_handle); + new_tdma = dma_pool_zalloc(cesa_dev->dma->tdma_desc_pool, flags, + &dma_handle); if (!new_tdma) return ERR_PTR(-ENOMEM); - memset(new_tdma, 0, sizeof(*new_tdma)); new_tdma->cur_dma = dma_handle; if (chain->last) { chain->last->next_dma = cpu_to_le32(dma_handle);