On Tue, 2014-11-11 at 16:27 +0200, Jukka Rissanen wrote:
> +static void nl80211_sched_scan_stop_wk(struct work_struct *work)
> +{
> + struct cfg80211_sched_scan_request *req;
> + struct cfg80211_registered_device *rdev;
> +
> + req = container_of(work, struct cfg80211_sched_scan_request,
> + sched_scan_stop_wk);
> +
> + rdev = wiphy_to_rdev(req->wiphy);
> +
> + rtnl_lock();
> + __cfg80211_stop_sched_scan(rdev, false);
> + rtnl_unlock();
> +}
I think you'll need to do something like flush this (which probably
isn't possible due to RTNL usage) when the interface disappears?
Otherwise interface going down and socket closure could race, ifdown
causing the request to be aborted by socket closure having scheduled the
work ... that'd be troubling.
johannes
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