On Wed, 2019-10-23 at 11:59 +0200, Toke Høiland-Jørgensen wrote: > > > +void ieee80211_sta_update_pending_airtime(struct ieee80211_local *local, > + struct sta_info *sta, u8 ac, > + u16 tx_airtime, bool tx_completed) > +{ > + spin_lock_bh(&local->active_txq_lock[ac]); > + if (tx_completed) { > + if (sta) { > + if (WARN_ONCE(sta->airtime[ac].aql_tx_pending < tx_airtime, > + "TXQ pending airtime underflow: %u, %u", > + sta->airtime[ac].aql_tx_pending, tx_airtime)) Maybe add the STA/AC to the message? johannes