On Tue, 2022-11-22 at 17:11 +0800, Zhengchao Shao wrote: > > +++ b/net/mac80211/iface.c > @@ -2326,8 +2326,6 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local) > WARN(local->open_count, "%s: open count remains %d\n", > wiphy_name(local->hw.wiphy), local->open_count); > > - ieee80211_txq_teardown_flows(local); This is after shutting down interfaces. > @@ -1469,6 +1470,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw) > * because the driver cannot be handing us frames any > * more and the tasklet is killed. > */ > + ieee80211_txq_teardown_flows(local); > ieee80211_remove_interfaces(local); > But now it's before. Why is that safe? johannes
