> > @@ -1215,6 +1218,7 @@ static int gsm_dlci_data_output(struct gsm_mux *gsm, struct gsm_dlci *dlci) > > tty_port_tty_wakeup(&dlci->port); > > > > __gsm_data_queue(dlci, msg); > > + dlci->tx += len; > > /* Bytes of data we used up */ > > return size; > > } > > Reading the function comments and your changelog, I'm left to wonder why > gsm_dlci_data_output() is supposed to increment ->tx but > gsm_dlci_data_output_framed() is not? Thank you for pointing this out. I will add the part for gsm_dlci_data_output_framed() it in the next version of this patch. Best regards, Daniel Starke