Re: [PATCH AUTOSEL 6.18-6.12] wifi: cfg80211: stop radar detection in cfg80211_leave()

[Sasha Levin <sashal@kernel.org>]

On Sat, Dec 06, 2025 at 03:55:37PM +0100, Johannes Berg wrote:
>On Sat, 2025-12-06 at 09:02 -0500, Sasha Levin wrote:
>>
>> ### Conclusion
>>
>> This commit fixes a legitimate bug but does **not** meet stable kernel
>> criteria:
>> - The maintainer did not request stable backporting
>> - The affected code only exists in kernel 6.12+, making it only relevant
>>   to the most recent stable branch if any
>> - The bug severity (warnings, not crashes/corruption/security) does not
>>   warrant the backporting effort
>> - It cannot be cleanly applied to most stable trees due to structural
>>   code differences
>>
>> **NO**
>
>:)
>
>To be fair, it's kind of a corner case that happened mostly during tests
>as far as I know, when two mesh peers getting radar detection happen to
>pick two incompatible channels and then give up, causing wpa_s to bring
>down the interface.
>
>The thing that makes this interesting is that they both detect radar at
>*precisely* the same time because they're actually simulated on a single
>Linux system, and our regulatory code tells each and every radio if any
>of them detects radar.
>
>Anyway, either way is reasonable, it's probably a much older issue than
>6.12 (then we just shuffled things around due to MLO), but the issue
>would've been around before that, and nobody really seems to have
>noticed outside this specific test.

Commits still get a review after the LLM response, which something is (IMO)
wrong :)

I'll keep it in, thanks!

-- 
Thanks,
Sasha