As the 'is_tx = 0' cannot be moved in the whole handler on account of a possible race concerning the hold off in switching to STATE_RX_AACK_ON and a new interrupt, we introduce an intermediate 'was_tx' boolean just for this goal. There isn't a Fixes tag making use of right here, https://lifetimehostingservice16048.blogzag.com/73010712/the-smart-trick-of-lifetime-hosting-service-that-nobody-is-discussing