diff mbox series

[v5,08/20] PM / devfreq: tegra30: Ensure that target freq won't overflow

Message ID 20190730162236.6063-9-digetx@gmail.com (mailing list archive)
State Not Applicable, archived
Headers show
Series More improvements for Tegra30 devfreq driver | expand

Commit Message

Dmitry Osipenko July 30, 2019, 4:22 p.m. UTC 
We already had few integer overflow bugs, let's limit the freq for
consistency.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
 drivers/devfreq/tegra30-devfreq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c
index 70dce58212a4..ca499368ee81 100644
--- a/drivers/devfreq/tegra30-devfreq.c
+++ b/drivers/devfreq/tegra30-devfreq.c
@@ -430,7 +430,7 @@  static unsigned long actmon_update_target(struct tegra_devfreq *tegra,
 	target_freq = dev->avg_count / ACTMON_SAMPLING_PERIOD + dev->boost_freq;
 	target_freq = tegra_actmon_account_cpu_freq(tegra, dev, target_freq);
 
-	return target_freq;
+	return min(target_freq, tegra->max_freq);
 }
 
 static irqreturn_t actmon_thread_isr(int irq, void *data)