Re: [PATCH] PM / devfreq: Fix out of bounds access of transition table array
From: Saravana Kannan
Date: Tue Feb 25 2014 - 16:14:07 EST
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@xxxxxxxxxxxxxx>
MyungJoo/Kyungmin,
Would either of you have some time to respond to this?
Thanks,
Saravana
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