lkml.org 
[lkml]   [2020]   [Jan]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] BUG-REPORT: cpuidle: teo: intervals[] array index out
Date
This seems to be a simple bug in rotating array index.
---
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;
}

--
2.24.1.735.g03f4e72817-goog
\
 
 \ /
  Last update: 2020-01-10 03:00    [W:0.063 / U:1.844 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site