From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.3 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 349CAC4321A for ; Fri, 28 Jun 2019 02:48:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0840D2086D for ; Fri, 28 Jun 2019 02:48:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="cXUsk7BH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727207AbfF1CsX (ORCPT ); Thu, 27 Jun 2019 22:48:23 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:43161 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726818AbfF1CsW (ORCPT ); Thu, 27 Jun 2019 22:48:22 -0400 Received: by mail-pf1-f195.google.com with SMTP id i189so2179039pfg.10 for ; Thu, 27 Jun 2019 19:48:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=rbEYaNHREF7ILO8RRtmtvzlf2nFn3SyNQ4zDhV4ZIpU=; b=cXUsk7BHAAfEVytNrzbRMTTG4qVyMNRVSl+DrUV9V3TCuzZWX3xZ4YeirpHRbwVcpm Rn5bqs3PxJsL7UeHjFN+/WFjSEGisWQQI0tTLV7Kj7cwtD1cQn7kB5IdCFvhH648lUQj bjDmy1p2PHFWbbTmLiUdHJ7JYVhVW11jyIq2vwHBURj0xL28wk0n+O2fCC4Wqsv+M50u Rx2XhUX9ulKzQvuUs0f8feHOl+dr/E72IB4pT5MYyV1z33OE6igRhdCBSENW9P1RwUBf 09s3PImIxR3WVMGdDFmuiwYa9Ce/cSqKjNP3LzJLI4fsYppVKnqdBICpCby6xgIQQBwN PnLw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=rbEYaNHREF7ILO8RRtmtvzlf2nFn3SyNQ4zDhV4ZIpU=; b=ddiiueenES3GsH1ElgKUS8FvxVBkJ6MM1GHYIs2dN0IO3Qe35L4SA/G30iO419dh5D 0lolwrW2zl1+48Ips6/xMQXaAHhAYqNPELgeiVi7eA3u1A8nscjpGpmM52WStMKge7+R ajDSsOSi7YtUsCbEY9ANv785gH9Fkq3vE0zHTos8QKsDLoZMkEYaKbh3kRqb6mHgWWpD JXvyN0/kGPIIV/Ga9i7BZ1q5eBhABgovkS/69C/a7bUZylAxr5wLqaeOxN7n6zaT6Y4C jGMHult6eByaOcGDlo4Y8s3vIEHG8u05GDbLjPkOqaX5MSFPE19GIK6E4K4LqveF9Uf4 347Q== X-Gm-Message-State: APjAAAXjm1YDl6dMWtoo8GbaYBVpMqWH3BrljOZO812L3iW71zfqubAM JcMuaOzunv1pVM/4m6Oe4P0= X-Google-Smtp-Source: APXvYqyL2BSk1/B6CxNzvp6a0kmRsoEyOhjwRgO0mLmLEFYVVmbnWhj10DWx9yPVJWrNGPu1UtSwjA== X-Received: by 2002:a63:e90b:: with SMTP id i11mr7002772pgh.351.1561690101460; Thu, 27 Jun 2019 19:48:21 -0700 (PDT) Received: from hfq-skylake.ipads-lab.se.sjtu.edu.cn ([202.120.40.82]) by smtp.googlemail.com with ESMTPSA id i123sm446277pfe.147.2019.06.27.19.48.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Jun 2019 19:48:21 -0700 (PDT) From: Fuqian Huang Cc: Fuqian Huang , Miquel Raynal , Richard Weinberger , David Woodhouse , Brian Norris , Marek Vasut , Vignesh Raghavendra , Boris Brezillon , Allison Randal , Greg Kroah-Hartman , Thomas Gleixner , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 14/27] mtd: nand: use kzalloc instead of kmalloc and memset Date: Fri, 28 Jun 2019 10:48:13 +0800 Message-Id: <20190628024814.15527-1-huangfq.daxian@gmail.com> X-Mailer: git-send-email 2.11.0 To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Replace kmalloc followed by a memset with kzalloc. There is a recommendation to use zeroing allocator rather than allocator followed by memset with 0 in ./scripts/coccinelle/api/alloc/zalloc-simple.cocci Signed-off-by: Fuqian Huang --- drivers/mtd/nand/raw/nand_bch.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/mtd/nand/raw/nand_bch.c b/drivers/mtd/nand/raw/nand_bch.c index 55aa4c1cd414..17527310c3a1 100644 --- a/drivers/mtd/nand/raw/nand_bch.c +++ b/drivers/mtd/nand/raw/nand_bch.c @@ -170,7 +170,7 @@ struct nand_bch_control *nand_bch_init(struct mtd_info *mtd) goto fail; } - nbc->eccmask = kmalloc(eccbytes, GFP_KERNEL); + nbc->eccmask = kzalloc(eccbytes, GFP_KERNEL); nbc->errloc = kmalloc_array(t, sizeof(*nbc->errloc), GFP_KERNEL); if (!nbc->eccmask || !nbc->errloc) goto fail; @@ -182,7 +182,6 @@ struct nand_bch_control *nand_bch_init(struct mtd_info *mtd) goto fail; memset(erased_page, 0xff, eccsize); - memset(nbc->eccmask, 0, eccbytes); encode_bch(nbc->bch, erased_page, eccsize, nbc->eccmask); kfree(erased_page); -- 2.11.0