diff options
| author | Martin Pieuchot <mpi@cvs.openbsd.org> | 2020-05-21 09:34:07 +0000 |
|---|---|---|
| committer | Martin Pieuchot <mpi@cvs.openbsd.org> | 2020-05-21 09:34:07 +0000 |
| commit | 9146f46bdd2b8e8f4d17ba5ddf390cfd21948f11 (patch) | |
| tree | 394794574800fec74489a37bce1b69cf08e1956e /sys | |
| parent | 86640f74328336d62120744da6288005ae205bb6 (diff) | |
Add missing ICANON check in filt_ptcwrite().
ok millert@, visa@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/kern/tty_pty.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/kern/tty_pty.c b/sys/kern/tty_pty.c index 2152bcde86a..693abddfd29 100644 --- a/sys/kern/tty_pty.c +++ b/sys/kern/tty_pty.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tty_pty.c,v 1.98 2020/04/07 13:27:51 visa Exp $ */ +/* $OpenBSD: tty_pty.c,v 1.99 2020/05/21 09:34:06 mpi Exp $ */ /* $NetBSD: tty_pty.c,v 1.33.4.1 1996/06/02 09:08:11 mrg Exp $ */ /* @@ -708,7 +708,8 @@ filt_ptcwrite(struct knote *kn, long hint) if (ISSET(pti->pt_flags, PF_REMOTE)) { if (tp->t_canq.c_cc == 0) kn->kn_data = tp->t_canq.c_cn; - } else if (tp->t_rawq.c_cc + tp->t_canq.c_cc < TTYHOG(tp)-2) + } else if ((tp->t_rawq.c_cc + tp->t_canq.c_cc < TTYHOG(tp)-2) || + (tp->t_canq.c_cc == 0 && ISSET(tp->t_lflag, ICANON))) kn->kn_data = tp->t_canq.c_cn - (tp->t_rawq.c_cc + tp->t_canq.c_cc); } |