From patchwork Thu Jun 27 21:11:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 11020691 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 962E813B4 for ; Thu, 27 Jun 2019 21:13:24 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8ED9328745 for ; Thu, 27 Jun 2019 21:13:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 82C3E28762; Thu, 27 Jun 2019 21:13:24 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 397AF28745 for ; Thu, 27 Jun 2019 21:13:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726788AbfF0VMm (ORCPT ); Thu, 27 Jun 2019 17:12:42 -0400 Received: from mail-lj1-f195.google.com ([209.85.208.195]:34131 "EHLO mail-lj1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726707AbfF0VMl (ORCPT ); Thu, 27 Jun 2019 17:12:41 -0400 Received: by mail-lj1-f195.google.com with SMTP id p17so3822318ljg.1; Thu, 27 Jun 2019 14:12:39 -0700 (PDT) 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=AeDkLG3JsMSjObKDQMYG/VozAMgCnodFTyf26atSmqk=; b=mnzNbIbbqKNJCzqn+Fp5emJAoI8IwuM4FkM2GnDYDU53YPAgCf16FnL8z7dai7gGtq c06RtF/DdprwXIndqv5J7qABb6stRZJH7sQMpTFigJukPAd6lKyhFf4AEmO2dIVeXBh2 xDq5L8t1C3GA5eyfp8BySc9bfGpZUpXLEFGR59QdKKk//gnjj0VwTQoXeriZPnzgXJVH GzOmhkRJEuW20Qdkq0iohoR774J5KbliQcjT7d/9DcsKlGo1hWMi+hdqGI2sc72Hvs9F /WyN85kxK9W+AdwqqPhv0Bu03HU7/lTj8QJTQx/8k8nZ1LqiPVxZEJXHMKOqcURaJx/g xoAQ== 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=AeDkLG3JsMSjObKDQMYG/VozAMgCnodFTyf26atSmqk=; b=l77H/+OxDYzfdexkPnNpZH6hUxwFoi62XiefGXkea3Nwa7p8wWpG7/ZO6C0qZM0KTd /HMl0/WbOMdPYIoZrXVk9VtcxXSZRHQ/xI6HGA5Y07EmfhxwY+Vd2G+uKnwOvd819cxx peU6RgblltEGY4KvGCFsgriqFmd1B2DG+7Q/x1Lqfx/RGw0DNDGo61fGhUB6RB4RszTx kQ63muaaHh4U52ZN4xRqZZwsSEQJZ+RF9ajyMuuAR8bUz3EtKdGgfkhWS/AJgzYSpEpO mxNhXmy1vdA5XQMK63ozpwzVlxOG6itIx1fsW0CBMqjEHxxsU/2KQm7cpI1qZQcDUG7q U29A== X-Gm-Message-State: APjAAAVOrF+b6dDqwiQN8oMVIWojNn1cdRZ30twoIsxqS8m5nJ2YX02K tUz57Wu9wonxn9JtWaPPA7Y= X-Google-Smtp-Source: APXvYqwn6zbGqTQ/VkxayOz4oVeRk7NgocPzBYWF5lOOS7vEd4MVoYv1wERYoqfsir+7I2VdtNM1jQ== X-Received: by 2002:a2e:3008:: with SMTP id w8mr4025027ljw.13.1561669959095; Thu, 27 Jun 2019 14:12:39 -0700 (PDT) Received: from localhost.localdomain (ppp91-79-162-197.pppoe.mtu-net.ru. [91.79.162.197]) by smtp.gmail.com with ESMTPSA id p29sm30485ljp.87.2019.06.27.14.12.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Jun 2019 14:12:38 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Jonathan Hunter , Tomeu Vizoso Cc: linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 15/22] PM / devfreq: tegra30: Fix integer overflow on CPU's freq max out Date: Fri, 28 Jun 2019 00:11:08 +0300 Message-Id: <20190627211115.21138-16-digetx@gmail.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190627211115.21138-1-digetx@gmail.com> References: <20190627211115.21138-1-digetx@gmail.com> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP There is another kHz-conversion bug in the code, resulting in integer overflow. Although, this time the resulting value is 4294966296 and it's close to ULONG_MAX, which is okay in this case. Signed-off-by: Dmitry Osipenko --- drivers/devfreq/tegra30-devfreq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c index f86593ab3008..9a6ede689991 100644 --- a/drivers/devfreq/tegra30-devfreq.c +++ b/drivers/devfreq/tegra30-devfreq.c @@ -172,7 +172,7 @@ struct tegra_actmon_emc_ratio { }; static const struct tegra_actmon_emc_ratio actmon_emc_ratios[] = { - { 1400000, ULONG_MAX }, + { 1400000, ULONG_MAX / KHZ }, { 1200000, 750000 }, { 1100000, 600000 }, { 1000000, 500000 },