[PATCH] PM / devfreq: Fix out of bounds access of transition table array

[Saravana Kannan]

On 02/23/2014 11:15 PM, Saravana Kannan wrote:
> The previous_freq value for a device could be an invalid frequency that
> results in a error value being returned from devfreq_get_freq_level().
> Check for an error value before using that to index into the transition
> table.
>
> Not doing this check will result in memory corruption when previous_freq is
> not a valid frequency.
>
> Signed-off-by: Saravana Kannan <skannan at codeaurora.org>

MyungJoo/Kyungmin,

Would either of you have some time to respond to this?

Thanks,
Saravana


-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation