tty kill character handling problems

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I think the current echok/echoke/echoe handling is wrong. The following
patch should fix the problem, unless I've totally misunderstood this...

--- linux/drivers/char/n_tty.c.orig Fri May 11 21:45:48 2001
+++ linux/drivers/char/n_tty.c Fri May 11 22:00:52 2001
@@ -352,7 +352,7 @@
                         spin_unlock_irqrestore(&tty->read_lock, flags);
                         return;
                 }
- if (!L_ECHOK(tty) || !L_ECHOKE(tty) || !L_ECHOE(tty)) {
+ if (!L_ECHOKE(tty)) {
                         spin_lock_irqsave(&tty->read_lock, flags);
                         tty->read_cnt -= ((tty->read_head - tty->canon_head) &
                                           (N_TTY_BUF_SIZE - 1));

-- 
Taral <taral@taral.net>
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understand it." -- Florence Ambrose
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