| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 034/222] cpuidle: teo: Fix intervals[] array indexing bug | Date | Wed, 22 Jan 2020 10:27:00 +0100 |
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From: Ikjoon Jang <ikjn@chromium.org>
commit 57388a2ccb6c2f554fee39772886c69b796dde53 upstream.
Fix a simple bug in rotating array index.
Fixes: b26bf6ab716f ("cpuidle: New timer events oriented governor for tickless systems") Signed-off-by: Ikjoon Jang <ikjn@chromium.org> Cc: 5.1+ <stable@vger.kernel.org> # 5.1+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/cpuidle/governors/teo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/cpuidle/governors/teo.c +++ b/drivers/cpuidle/governors/teo.c @@ -194,7 +194,7 @@ static void teo_update(struct cpuidle_dr * pattern detection. */ cpu_data->intervals[cpu_data->interval_idx++] = measured_us; - if (cpu_data->interval_idx > INTERVALS) + if (cpu_data->interval_idx >= INTERVALS) cpu_data->interval_idx = 0; }
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