Message ID | 20200602074843.1743493-7-vicamo.yang@canonical.com |
---|---|
State | New |
Headers | show
Return-Path: <kernel-team-bounces@lists.ubuntu.com> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=canonical.com Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49bkh54lL0z9sSg; Tue, 2 Jun 2020 17:49:09 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from <kernel-team-bounces@lists.ubuntu.com>) id 1jg1fW-0005Au-6i; Tue, 02 Jun 2020 07:49:06 +0000 Received: from mail-pl1-f193.google.com ([209.85.214.193]) by huckleberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from <vicamo@gmail.com>) id 1jg1fU-000585-DU for kernel-team@lists.ubuntu.com; Tue, 02 Jun 2020 07:49:04 +0000 Received: by mail-pl1-f193.google.com with SMTP id q16so1029689plr.2 for <kernel-team@lists.ubuntu.com>; Tue, 02 Jun 2020 00:49:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=07UJQ4UXc8TYteoMmBMXwhhDm9h/2VvTAn37WUCvxHg=; b=i25js87TlRYNB1YiGvpW2gz5GZnpqaJr27r/sxZ05CDj1H6AK/YVUryyeP0ls+u0zk chQS8T6Vr4D7RzeT9LLTTO0FxoTj8FPB9qV0LB6M4SrmrvhZqXNxFNsoPg+pZJKY2Ott TWFkIJLkyPrvFZL0WINRQCRMnRshmoP7AdeJOfGJimGcwaccbbHtnaKarwTbCqZ9z5LG qkpiaqszt9ArtUOkPEf3VEQw9d/W7djUQwXwchnY/TFDZrMLyZtvvdAhSAiEx/R5GS52 ZfBVWCLTlKoFxOOFWsIVxiEpcjoRlbslurxMdE6TwCh1eMj9zKWtBG8+LDRB7HGPYUZB B57Q== X-Gm-Message-State: AOAM531J230BU9fK+KuBUEx+h4yo1YOgmNet0q4LrBisy9zsGsStVPx1 +XQS5ADsKMWhtxwfy4B3p4t5Ux7w0Fs= X-Google-Smtp-Source: ABdhPJxbACrRnFIaK8ErHRAabu3do5VwXePq1HXkwowd97ejQQCu3yLmpZif6GAIqAhlAQU5AYHRyg== X-Received: by 2002:a17:90a:c588:: with SMTP id l8mr4131123pjt.178.1591084141997; Tue, 02 Jun 2020 00:49:01 -0700 (PDT) Received: from localhost (61-220-137-37.HINET-IP.hinet.net. [61.220.137.37]) by smtp.gmail.com with ESMTPSA id 25sm1397954pjk.50.2020.06.02.00.49.00 for <kernel-team@lists.ubuntu.com> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Jun 2020 00:49:01 -0700 (PDT) From: You-Sheng Yang <vicamo.yang@canonical.com> To: kernel-team@lists.ubuntu.com Subject: [PATCH v2 06/42][SRU][U] iommu/amd: Return -ENODEV in add_device when device is not handled by IOMMU Date: Tue, 2 Jun 2020 15:48:07 +0800 Message-Id: <20200602074843.1743493-7-vicamo.yang@canonical.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200602074843.1743493-1-vicamo.yang@canonical.com> References: <20200602074843.1743493-1-vicamo.yang@canonical.com> MIME-Version: 1.0 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions <kernel-team.lists.ubuntu.com> List-Unsubscribe: <https://lists.ubuntu.com/mailman/options/kernel-team>, <mailto:kernel-team-request@lists.ubuntu.com?subject=unsubscribe> List-Archive: <https://lists.ubuntu.com/archives/kernel-team> List-Post: <mailto:kernel-team@lists.ubuntu.com> List-Help: <mailto:kernel-team-request@lists.ubuntu.com?subject=help> List-Subscribe: <https://lists.ubuntu.com/mailman/listinfo/kernel-team>, <mailto:kernel-team-request@lists.ubuntu.com?subject=subscribe> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" <kernel-team-bounces@lists.ubuntu.com> |
Series |
Fix can't find root device on VMD when secureboot enabled
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diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 524e71ccd5a1..39c68487f67b 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2229,9 +2229,12 @@ static int amd_iommu_add_device(struct device *dev) struct amd_iommu *iommu; int ret, devid; - if (!check_device(dev) || get_dev_data(dev)) + if (get_dev_data(dev)) return 0; + if (!check_device(dev)) + return -ENODEV; + devid = get_device_id(dev); if (devid < 0) return devid;