Message ID | 20181212203907.23461-19-digetx@gmail.com |
---|---|
State | Deferred |
Headers | show
Return-Path: <linux-tegra-owner@vger.kernel.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="Jm3j8T3X"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43FTZ04063z9s7h for <incoming@patchwork.ozlabs.org>; Thu, 13 Dec 2018 07:54:00 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726973AbeLLUxx (ORCPT <rfc822;incoming@patchwork.ozlabs.org>); Wed, 12 Dec 2018 15:53:53 -0500 Received: from mail-pf1-f196.google.com ([209.85.210.196]:46110 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726440AbeLLUxw (ORCPT <rfc822;linux-tegra@vger.kernel.org>); Wed, 12 Dec 2018 15:53:52 -0500 Received: by mail-pf1-f196.google.com with SMTP id c73so9420943pfe.13; Wed, 12 Dec 2018 12:53:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=NxK9RMJELvGUwh2e48DLDAyybI+xi2gMHKnphksiQDk=; b=Jm3j8T3XYVm5XweSGJ4YXa3gKZJ+kHSCZ2KFbyBMCmhRfIaMJlDm4+aJELMo87au3C AFIcOI+oOlXwBtI2lBWhyr4XsaJPbn6LVclk6Y3a0eLo6ls1ParqkNUr8OQhEmuKPfG4 1+QENbJASkBny2jtwyQgDV3uZQZNzJx6sntiBZzAMxtopivXfchyBTjb1slF4wjVfvHu ZngCGUCRqLTYu2rNouayCAfgAmeobA/aED+xDglrEfbVWFkNw5jEKBDyjFJt2wCQrrtg 23n9WmkUQz1qkdeLJKXgHJo0/PiViGc5OSFxOQCKtSaE/2zUObCtaarHffmrR0KCBaxV UeFA== 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:mime-version:content-transfer-encoding; bh=NxK9RMJELvGUwh2e48DLDAyybI+xi2gMHKnphksiQDk=; b=nEz03lHuNdsrieA49XZjRvbkISDJJleNizqgvs9hSaVIoGf0ZeIoTaH2mK3OF+P0ji 5tl0wZc6j6Zw9zjlu24vP+ElcJ4KZhOjt3C31Sk0WroaG4Vx/ofr1b1X1EXGWpeHA9Vx +vNixlqY4T7wU15YD8dvjB4cPcXVCokSmBN4KvM0a1uvg+0/5jvRrWfz6jt2lfLZ2zuT wv2E4a3C+OuKinGH5b+Wrm0QilDKGnnpQYJXKjywCKqUBF+9ED4+6EBh1V3QBNZ7ALqC ufCez96eiw/zX0fRLwLAQLFzUiRkjXzXkqKVDGzk6qSdMzclG3RBAOPMVMjEW5/ykUaf WOoQ== X-Gm-Message-State: AA+aEWYhrA7f+Z1nrIVFSuossjcnXeg0rjnBrFKVe8vYoxVPfU+J3lRp rL1DEj0zY+WC5CC8mZ2fUq8= X-Google-Smtp-Source: AFSGD/U9B3gsdGNLR3lNaD54fkIbUbvkXMtWQ43dc7taCUX02C0SYr/PQwI08HI2b39z0Yiz6tZC3g== X-Received: by 2002:a62:5793:: with SMTP id i19mr21807340pfj.49.1544648031557; Wed, 12 Dec 2018 12:53:51 -0800 (PST) Received: from localhost.localdomain ([94.29.36.169]) by smtp.gmail.com with ESMTPSA id p2sm34753860pgc.94.2018.12.12.12.53.45 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 12 Dec 2018 12:53:51 -0800 (PST) From: Dmitry Osipenko <digetx@gmail.com> To: Thierry Reding <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com>, Joerg Roedel <joro@8bytes.org> Cc: Robin Murphy <robin.murphy@arm.com>, iommu@lists.linux-foundation.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v7 18/24] iommu/tegra: gart: Fix NULL pointer dereference Date: Wed, 12 Dec 2018 23:39:01 +0300 Message-Id: <20181212203907.23461-19-digetx@gmail.com> X-Mailer: git-send-email 2.20.0 In-Reply-To: <20181212203907.23461-1-digetx@gmail.com> References: <20181212203907.23461-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: <linux-tegra.vger.kernel.org> X-Mailing-List: linux-tegra@vger.kernel.org |
Series |
Tegra GART driver clean up and optimization
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diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c index a7a9400e0cd8..7fdd8b12efd5 100644 --- a/drivers/iommu/tegra-gart.c +++ b/drivers/iommu/tegra-gart.c @@ -260,9 +260,9 @@ static void gart_iommu_domain_free(struct iommu_domain *domain) if (gart) { spin_lock(&gart->client_lock); if (!list_empty(&gart->client)) { - struct gart_client *c; + struct gart_client *c, *tmp; - list_for_each_entry(c, &gart->client, list) + list_for_each_entry_safe(c, tmp, &gart->client, list) __gart_iommu_detach_dev(domain, c->dev); } spin_unlock(&gart->client_lock);