Re: [PATCH] mwifiex: MAC randomization should not be persistent
From: Kalle Valo
Date: Thu Apr 13 2017 - 09:14:12 EST
Brian Norris <briannorris@xxxxxxxxxxxx> writes:
> On Thu, Apr 06, 2017 at 07:02:15AM +0300, Kalle Valo wrote:
>> Brian Norris <briannorris@xxxxxxxxxxxx> writes:
>>
>> > nl80211 provides the NL80211_SCAN_FLAG_RANDOM_ADDR for every scan
>> > request that should be randomized; the absence of such a flag means we
>> > should not randomize. However, mwifiex was stashing the latest
>> > randomization request and *always* using it for future scans, even those
>> > that didn't set the flag.
>> >
>> > Let's zero out the randomization info whenever we get a scan request
>> > without NL80211_SCAN_FLAG_RANDOM_ADDR. I'd prefer to remove
>> > priv->random_mac entirely (and plumb the randomization MAC properly
>> > through the call sequence), but the spaghetti is a little difficult to
>> > unravel here for me.
>> >
>> > Fixes: c2a8f0ff9c6c ("mwifiex: support random MAC address for scanning")
>>
>> So the first release with this was v4.9.
>>
>> > Signed-off-by: Brian Norris <briannorris@xxxxxxxxxxxx>
>> > ---
>> > Should this be tagged for -stable?
>>
>> IMHO yes.
>
> Sounds fine to me. I suppose you'll do this when applying? Or I can
> resend...
I can add this:
Cc: <stable@xxxxxxxxxxxxxxx> # 4.9+
--
Kalle Valo