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=-9.0 required=3.0 tests=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 68C1BC468BE for ; Sun, 9 Jun 2019 02:45:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 45DA3216C4 for ; Sun, 9 Jun 2019 02:45:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727902AbfFICpb (ORCPT ); Sat, 8 Jun 2019 22:45:31 -0400 Received: from mga01.intel.com ([192.55.52.88]:21699 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727389AbfFICpa (ORCPT ); Sat, 8 Jun 2019 22:45:30 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Jun 2019 19:45:30 -0700 X-ExtLoop1: 1 Received: from allen-box.sh.intel.com ([10.239.159.136]) by FMSMGA003.fm.intel.com with ESMTP; 08 Jun 2019 19:45:29 -0700 From: Lu Baolu To: Joerg Roedel , David Woodhouse Cc: ashok.raj@intel.com, jacob.jun.pan@intel.com, kevin.tian@intel.com, sai.praneeth.prakhya@intel.com, cai@lca.pw, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Lu Baolu Subject: [PATCH 1/6] iommu/vt-d: Don't return error when device gets right domain Date: Sun, 9 Jun 2019 10:37:58 +0800 Message-Id: <20190609023803.23832-2-baolu.lu@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190609023803.23832-1-baolu.lu@linux.intel.com> References: <20190609023803.23832-1-baolu.lu@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If a device gets a right domain in add_device ops, it shouldn't return error. Fixes: 942067f1b6b97 ("iommu/vt-d: Identify default domains replaced with private") Signed-off-by: Lu Baolu --- drivers/iommu/intel-iommu.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index b431cc6f6ba4..d5a6c8064c56 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -5360,10 +5360,7 @@ static int intel_iommu_add_device(struct device *dev) domain_add_dev_info(si_domain, dev); dev_info(dev, "Device uses a private identity domain.\n"); - return 0; } - - return -ENODEV; } } else { if (device_def_domain_type(dev) == IOMMU_DOMAIN_DMA) { @@ -5378,10 +5375,7 @@ static int intel_iommu_add_device(struct device *dev) dev_info(dev, "Device uses a private dma domain.\n"); - return 0; } - - return -ENODEV; } } -- 2.17.1