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=-13.3 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, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 BCFE3C48BD9 for ; Thu, 27 Jun 2019 17:34:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8A5822064A for ; Thu, 27 Jun 2019 17:34:18 +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="qqixCxNA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726571AbfF0ReS (ORCPT ); Thu, 27 Jun 2019 13:34:18 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:43783 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726405AbfF0ReR (ORCPT ); Thu, 27 Jun 2019 13:34:17 -0400 Received: by mail-pg1-f194.google.com with SMTP id f25so1325436pgv.10; Thu, 27 Jun 2019 10:34:17 -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=iaS11w2aoxySZ/aow9W/tKYepsJlUMZ7J3WhgDV2Q4U=; b=qqixCxNApiEkK9W+caOpxmCoaPNvn7PXP0+ODxArrIALSvKHWeQVB6zZQcOe3wDSYK OK6OgHsJWJeiRa9oOUJQlBCcQY10VVGr3vJM2Yr+31PQpLEjXo7wi1KlwQKwByirUqCQ RjIPhk8Su1CA+D/TB10f/Y+s2j7g80aeouHpZ3UlVjD6RzD4yWV/Tma56eYPDs3pgken KzvXKUd4PD57Q3AhNUi3H4GIQEYdN7u+k0hFht4pwFUiDXaip802DI+dKwmGDzKj1Vco l4YuYXND7dJBsWSTHCR8LmcrC/COzJor0Z4K3j2ZmybW5D3+F2nuNinDmh/f3qsy3R5G Xokw== 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=iaS11w2aoxySZ/aow9W/tKYepsJlUMZ7J3WhgDV2Q4U=; b=AHilfe2OiUSgxLxAgpChFG9R6rZ0EwPSqpxwOQOEXvTimtOFIwCWP0zUSxwB8hQcyc Ui5B9MMgYN38a53/3iRscvHOgbeEhsWY5fH6vDqfLyY4kGQBntqVp0+jdWy+lGya+RKw txtP1i9pkd/NM3glqJZgKADzFSpJ4V5Zb+ZL/tHd6EzAdLabp08+63SCOGyOBRi48q3C w7C0B0tcNMhBFqvrFqyhYE5duiTMe01iosvBT5n+Lg4Rf+fxCTIp+qzxDjMaSIzs+bJA zy4/O4JhssiDyK13CZxau23s6Hn0tj+grw6X7ZVl8Nf0xZfDyA34ajFNMITJm+RSgVQT Tprw== X-Gm-Message-State: APjAAAXCEQQY1xp8Kfe6Tvz0r22sJGHGsdnMh/Yk3VcLl+bTfPl+iKAx 6346FYQpBEs76NuMoYSmd90= X-Google-Smtp-Source: APXvYqztCYVtfsx4BiD6jS742kVLvuQ4A+eFPYBFB5pXScCAMpgnkv5zCPRyVNuhK0Ucg4tiEf0Sog== X-Received: by 2002:a63:61cb:: with SMTP id v194mr4532614pgb.95.1561656857128; Thu, 27 Jun 2019 10:34:17 -0700 (PDT) Received: from hfq-skylake.ipads-lab.se.sjtu.edu.cn ([202.120.40.82]) by smtp.googlemail.com with ESMTPSA id y12sm2981713pgi.10.2019.06.27.10.34.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Jun 2019 10:34:16 -0700 (PDT) From: Fuqian Huang Cc: Fuqian Huang , Jens Axboe , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 04/87] ata: pdc_adma: Remove call to memset after dmam_alloc_coherent Date: Fri, 28 Jun 2019 01:34:10 +0800 Message-Id: <20190627173410.2037-1-huangfq.daxian@gmail.com> X-Mailer: git-send-email 2.11.0 To: unlisted-recipients:; (no To-header on input) Sender: linux-ide-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org In commit af7ddd8a627c ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), dmam_alloc_coherent has already zeroed the memory. So memset is not needed. Signed-off-by: Fuqian Huang --- drivers/ata/pdc_adma.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c index 52fa8606a25f..c5bbb07aa7d9 100644 --- a/drivers/ata/pdc_adma.c +++ b/drivers/ata/pdc_adma.c @@ -550,7 +550,6 @@ static int adma_port_start(struct ata_port *ap) (u32)pp->pkt_dma); return -ENOMEM; } - memset(pp->pkt, 0, ADMA_PKT_BYTES); ap->private_data = pp; adma_reinit_engine(ap); return 0; -- 2.11.0