Re: [PATCH] PM / devfreq: Rewrite devfreq_update_status() to fix multiple bugs

From: MyungJoo Ham
Date: Tue Mar 04 2014 - 05:06:33 EST


> The current devfreq_update_status() has the following bugs:
> - If previous frequency doesn't have a valid level, it does an out of bounds
> access into the trans_table and causes memory corruption.
> - When the new frequency doesn't have a valid level, the time spent in the
> new frequency is counted towards the next valid frequency switch instead of
> being ignored.
> - The time spent on the previous frequency is added to the new frequency's
> stats instead of the previous frequency's stats.
>
> This patch fixes all of this.
>
> Signed-off-by: Saravana Kannan <skannan@xxxxxxxxxxxxxx>

Merged.

It appears to be Greg's LTS material as well.


Cheers,
MyungJoo

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