On Fri, 2018-09-14 at 18:00 +0200, Erik Stromdahl wrote: > Drivers that do not have the BUFF_MMPDU_TXQ flag set will not have a > TXQ for the special TID = 16. > > In this case, the last member in the *struct ieee80211_sta* txq array > will be NULL. > > We must check this in order not to get a NULL pointer dereference when > iterating the txq array. Uh, yes, thanks. This is my fault - I merged the overlapping patches closely together. johannes