On Sun, 2013-11-24 at 17:56 +0100, Lorenzo Bianconi wrote: > ieee80211_get_vif_by_addr allows low level drivers to get a reference to > vif data structure which is not added to the driver as monitor interface. > ieee80211_get_vif_by_addr will be used in ath9k tx99 code Is that really better than having the driver use the iteration functions? > + */ > +struct ieee80211_vif *ieee80211_get_vif_by_addr(struct ieee80211_hw *hw, > + const u8 *mac) > +{ > + struct ieee80211_vif *vif = NULL; > + struct ieee80211_local *local = hw_to_local(hw); > + struct ieee80211_sub_if_data *sdata; > + > + rcu_read_lock(); > + list_for_each_entry_rcu(sdata, &local->interfaces, list) { > + if (!compare_ether_addr(sdata->vif.addr, mac)) { > + vif = &sdata->vif; > + break; > + } > + } > + rcu_read_unlock(); > + > + return vif; In any case, this is completely broken wrt. locking, so I'm not taking it. johannes -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html