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cpuidle: teo: Fix intervals[] array indexing bug 

commit 57388a2ccb upstream.

Fix a simple bug in rotating array index.

Fixes: b26bf6ab71 ("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>
5.4-rM2-2.2.x-imx-squashed
Ikjoon Jang 2020-01-11 01:47:12 +08:00 committed by Greg Kroah-Hartman
parent af2e7c923d
commit 55b256b4c7
1 changed files with 1 additions and 1 deletions
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2
drivers/cpuidle/governors/teo.c
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@ -194,7 +194,7 @@ static void teo_update(struct cpuidle_driver *drv, struct cpuidle_device *dev)
* 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;
}