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=-12.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,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 F2AA0C43461 for ; Thu, 10 Sep 2020 10:15:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A6384206A1 for ; Thu, 10 Sep 2020 10:15:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=google.com header.i=@google.com header.b="uwSjVicy" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730764AbgIJKPn (ORCPT ); Thu, 10 Sep 2020 06:15:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44488 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730717AbgIJKPS (ORCPT ); Thu, 10 Sep 2020 06:15:18 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5FDDBC061756 for ; Thu, 10 Sep 2020 03:15:18 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id 207so4939800ybd.13 for ; Thu, 10 Sep 2020 03:15:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:message-id:mime-version:subject:from:to:cc; bh=mYpLRmqZZNbowlnMVp5aofFQ5BShHcephw2SKa0G+DA=; b=uwSjVicytfVIBYIjNeLQ0S++GaFHI6da2IvVQ1a7tPxuevmnOvVFRW8+HwjHJ8tZXr gXArB/ETfRlhFAbs/BrfA2takdMvL9pHyuWt2qVvc6kQBmwqpwARV3uCMCr+xAhyTxqd g4qiYBX3bwWmJWBPoys1yHgg23Qhhz4ZdhRrEpOqhFkVQYt1znuPerz2O+E3tUB/sair 4v8jtMYMu2pN5SAU4Dwlfc6ztiLmgYkSUODfLiQWpI2810zlOOrm7rLNyts87EGr/3mZ N0H7ptJWMVDSBGZrNtiUZyfOMVC5FVb0HTQw4M3EyhEXv0Ueyq2+XZ95uw5qSyXE5kEs Gu0A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:message-id:mime-version:subject:from :to:cc; bh=mYpLRmqZZNbowlnMVp5aofFQ5BShHcephw2SKa0G+DA=; b=ciLWXTyrdpSgXddgWaO9T+CCaNkpPdfqqxypAN/curEuAFJYCMMBLPBG9UX/1YSEZ4 J48xwl43BDtaqjMQmhG144TfInOBJv85JzYowIhZZ15+FDoYhS5AOdH/VQwThb6osaYr FrBcg+M02AuMznCmuXsyEMz5/TqsT5CkI5oV2MAH2jMjMpbINo0WMYXvxUkfwCbpvlUP foH2ADVCEyr2ST7pH7oX9qI79xSoYpfCntdo6KkyLKLZw96A8sRjdjtkFTPaJqFkXO2V +RJCWduPpdOAvpEUd0qLBzPMIQRlJt25HJw+ogQB1UOb1a9bSe4VYRs7tw2gNLQ1r/q8 63lA== X-Gm-Message-State: AOAM531ZklM/ua09Cw41vy99QuJ+BBDqAWgMls0SFO1R4gNg4iTlb943 KyiHoMZRhVaO2i2HYUIqw1Tz7uzmMmEPPzQwJmY= X-Google-Smtp-Source: ABdhPJzATmV4RhOQNteGALkdPJ93cqcUh0oOS9eTKpZbNLT9tBvt6yJnMdaRqHNDDwBwIi8UrQjYI1T9+go2q3X89kg= X-Received: from huangrandall-z840-2.tao.corp.google.com ([2401:fa00:fd:2:3e52:82ff:fe5f:bc1]) (user=huangrandall job=sendgmr) by 2002:a25:da8c:: with SMTP id n134mr12091694ybf.84.1599732917609; Thu, 10 Sep 2020 03:15:17 -0700 (PDT) Date: Thu, 10 Sep 2020 18:15:13 +0800 Message-Id: <20200910101513.2900079-1-huangrandall@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.28.0.526.ge36021eeef-goog Subject: [PATCH] scsi: clear UAC before sending SG_IO From: Randall Huang To: dgilbert@interlog.com, jejb@linux.ibm.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: huangrandall@google.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Make sure UAC is clear before sending SG_IO. Signed-off-by: Randall Huang --- drivers/scsi/sg.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 20472aaaf630..ad11bca47ae8 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -922,6 +922,7 @@ sg_ioctl_common(struct file *filp, Sg_device *sdp, Sg_fd *sfp, int result, val, read_only; Sg_request *srp; unsigned long iflags; + int _cmd; SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp, "sg_ioctl: cmd=0x%x\n", (int) cmd_in)); @@ -933,6 +934,13 @@ sg_ioctl_common(struct file *filp, Sg_device *sdp, Sg_fd *sfp, return -ENODEV; if (!scsi_block_when_processing_errors(sdp->device)) return -ENXIO; + + _cmd = SCSI_UFS_REQUEST_SENSE; + if (sdp->device->host->wlun_clr_uac) { + sdp->device->host->hostt->ioctl(sdp->device, _cmd, NULL); + sdp->device->host->wlun_clr_uac = false; + } + result = sg_new_write(sfp, filp, p, SZ_SG_IO_HDR, 1, read_only, 1, &srp); if (result < 0)