On Tue, 2010-12-07 at 09:28 -0800, Paul Stewart wrote: > > Actually I believe it happens _during_ ifdown, but when the running bit > > is already cleared, so I guess this is about right -- although it > > shouldn't matter since the recalc_idle in do_stop should catch it later. > > So the scenario is as follows. If you down an interface > ieee80211_do_stop() first decrements local->open_count, then later > calls __ieee80211_recalc_idle, et al. This means that later in this > call graph if ieee80211_hw_config() finally gets called, open_count is > already 0 and therefore drv_config is never called. Luis' reference > to scan_completed() above is probable in reference to older versions > of compat where ieee80211_stop() called ieee80211_scan_cancel() > directly. My admittedly casual look at wireless-testing seems to > imply that path may not exist in current compat, although my tests > seem to indicate the same class of problem still exists.
Yeah I can see how a problem like this happens -- but I think the change in scan_finished() is pointless because it'll be handled during do_stop() anyway. johannes _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
