From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: [PATCH v4 15/24] PM / devfreq: tegra30: Fix integer overflow on CPU's freq max out Date: Mon, 8 Jul 2019 01:32:54 +0300 Message-ID: <20190707223303.6755-16-digetx@gmail.com> References: <20190707223303.6755-1-digetx@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190707223303.6755-1-digetx@gmail.com> Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-tegra@vger.kernel.org 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 0de1efdaabf4..60ebf9c9cd86 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 }, -- 2.22.0