Because the 'is_tx = 0' can not be moved in the complete handler as a result of a achievable race among the delay in switching to STATE_RX_AACK_ON and a new interrupt, we introduce an intermediate 'was_tx' boolean only for this function. There isn't a Fixes tag making use of here, https://astrapremium27159.blog-eye.com/28763566/considerations-to-know-about-astra-premium