Re: [PATCH] wifi: cfg80211: Prevent comparison with invalid registered dev scan req

[Lizhi Xu]

On Fri, 20 Jun 2025 13:01:51 +0200, Johannes Berg wrote:
> > The scan req of a registered device may have been released, so it should
> > be checked to be valid before comparing it with the current req.
> >
> 
> I don't understand the subject/commit log at all. You're now accepting
> scan_done() with a NULL scan request, why does that make sense?
It is meaningless to compare the registered device with NULL scan_req with
the current scan request.

Because there is a check for scan_req being NULL in ___cfg80211_scan_done(),
cfg80211_scan_done() is not directly exited when the scan_req of the registered
device is NULL.

Lizhi