[PATCH] cpuidle: teo: bugfix in intervals[] array indexing

From: Ikjoon Jang
Date: Fri Jan 10 2020 - 12:47:20 EST


Fix a simple bug in rotating array index.

Signed-off-by: Ikjoon Jang <ikjn@xxxxxxxxxxxx>
---
drivers/cpuidle/governors/teo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpuidle/governors/teo.c b/drivers/cpuidle/governors/teo.c
index de7e706efd46..6deaaf5f05b5 100644
--- a/drivers/cpuidle/governors/teo.c
+++ b/drivers/cpuidle/governors/teo.c
@@ -198,7 +198,7 @@ static void teo_update(struct cpuidle_driver *drv, struct cpuidle_device *dev)
* pattern detection.
*/
cpu_data->intervals[cpu_data->interval_idx++] = measured_ns;
- if (cpu_data->interval_idx > INTERVALS)
+ if (cpu_data->interval_idx >= INTERVALS)
cpu_data->interval_idx = 0;
}

--
2.25.0.rc1.283.g88dfdc4193-goog