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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 41969C10F14 for ; Thu, 11 Apr 2019 18:49:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0E7EC20663 for ; Thu, 11 Apr 2019 18:49:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=arista.com header.i=@arista.com header.b="KrxWIEik" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727042AbfDKStc (ORCPT ); Thu, 11 Apr 2019 14:49:32 -0400 Received: from mail-ed1-f67.google.com ([209.85.208.67]:41968 "EHLO mail-ed1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727020AbfDKSta (ORCPT ); Thu, 11 Apr 2019 14:49:30 -0400 Received: by mail-ed1-f67.google.com with SMTP id g6so2176586edc.8 for ; Thu, 11 Apr 2019 11:49:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arista.com; s=googlenew; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=DMnZhta68iAX33CpRchMA+yMZHDHOGcPtQBVqQabrNw=; b=KrxWIEikxDdZvLu8UnFVjW0EcG/PU1SormZHDInUdtOAg+J8UeRfz2zXDqrYBYevOn JwyWhZgYwU6QtoPuE0mXZ1Oe5eYGnMUIagbCpUNbdwOBGj5GuTN3H7Op5ODJ3yxVBy4a HJv3vGEEQWldc4EKVLOm7+5le7P2BEiIWuDF1OhwdjSym2xlj9kWG98u6Ge2wHvP8QAZ tWipMQtzFYHT0eFwweBjtWhr2X29dn3Z6GXvM4PStsLb8BJAl2VsSyrgiCcO2JqfpiLQ mZIfb9bKl4Awxr45GpXcPVoobD3hUoYj2Adz7S2v77C2kyg4y/sYDgRpJl/SvI0brDXa u9JQ== 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:in-reply-to :references; bh=DMnZhta68iAX33CpRchMA+yMZHDHOGcPtQBVqQabrNw=; b=kC7NCuNa6NRwC627uX1Nq/mktIBzzi3qI0SMgGP4qIzdrEM8lJxNeY5ufH3HdbMN76 g5pkDFbrhHKNJbKuc44zOQQE9du8Vo3w5klov9QvJLtdCVr7KmQyFsZouwiiVkqe+tgT eihtx3TmYWmziTPNZCaBF51HIA7KRBh+IO3AWXFjxzFqqlkicndKdRErxSDd1jnTFqtm WT1B4eAFJagSuaynslNVUb2BIjfRmjyX2jSfNzbs315W2Cn1YD1qYQpkQo0vSTvuEBx+ T2jMocscLtZ3luWa7SLArvlCfY/iTATSPwfjfVNnEXvgzfqdvEdRlj5oEXj4j6fujVZF z4vA== X-Gm-Message-State: APjAAAX/SJosUmFYxHQY+1RjBQp1fDjQJHFPbFjNzbC77/iStQ0o5X/Z ffThgeU7iL6/Adeo/niJNLe1Bw== X-Google-Smtp-Source: APXvYqxGXfYCaCRlvVgksxX9b5Eab0yr+jZV0UQmnyepRxSCDJinf+ClgjALBi9ceksiejLlB/1QXw== X-Received: by 2002:a17:906:e285:: with SMTP id gg5mr27392064ejb.229.1555008568161; Thu, 11 Apr 2019 11:49:28 -0700 (PDT) Received: from localhost.localdomain ([80.233.32.123]) by smtp.gmail.com with ESMTPSA id b10sm1285130edi.28.2019.04.11.11.49.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 11 Apr 2019 11:49:27 -0700 (PDT) From: Tom Murphy To: iommu@lists.linux-foundation.org Cc: dima@arista.com, jamessewart@arista.com, murphyt7@tcd.ie, Tom Murphy , Joerg Roedel , Will Deacon , Robin Murphy , Marek Szyprowski , Kukjin Kim , Krzysztof Kozlowski , Matthias Brugger , Rob Clark , Andy Gross , David Brown , Heiko Stuebner , Thomas Gleixner , Marc Zyngier , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org Subject: [PATCH 9/9] iommu/amd: Add allocated domain to global list earlier Date: Thu, 11 Apr 2019 19:47:38 +0100 Message-Id: <20190411184741.27540-10-tmurphy@arista.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190411184741.27540-1-tmurphy@arista.com> References: <20190411184741.27540-1-tmurphy@arista.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org dma_ops_domain_free() expects domain to be in a global list. Arguably, could be called before protection_domain_init(). Signed-off-by: Dmitry Safonov Signed-off-by: Tom Murphy --- drivers/iommu/amd_iommu.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 02b351834a3b..bfb021d656aa 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -1801,8 +1801,12 @@ static struct protection_domain *dma_ops_domain_alloc(void) if (!domain) return NULL; - if (protection_domain_init(domain)) - goto free_domain; + if (protection_domain_init(domain)) { + kfree(domain); + return NULL; + } + + add_domain_to_list(domain); domain->mode = PAGE_MODE_3_LEVEL; domain->pt_root = (void *)get_zeroed_page(GFP_KERNEL); @@ -1824,8 +1828,6 @@ static struct protection_domain *dma_ops_domain_alloc(void) /* Initialize reserved ranges */ iommu_dma_copy_reserved_iova(&reserved_iova_ranges, &domain->domain); - add_domain_to_list(domain); - return domain; free_cookie: -- 2.17.1