static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old)
{
struct n_tty_data *ldata = tty->disc_data;
- int canon_change = 1;
- if (old)
- canon_change = (old->c_lflag ^ tty->termios.c_lflag) & ICANON;
- if (canon_change) {
+ if (!old || (old->c_lflag ^ tty->termios.c_lflag) & ICANON) {
bitmap_zero(ldata->read_flags, N_TTY_BUF_SIZE);
ldata->line_start = 0;
ldata->canon_head = ldata->read_tail;