diff options
| -rw-r--r-- | drivers/char/n_tty.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index 596c7173997b..e0e3815f92ba 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -769,7 +769,21 @@ static inline void n_tty_receive_char(struct tty_struct *tty, unsigned char c) signal = SIGTSTP; if (c == SUSP_CHAR(tty)) { send_signal: - isig(signal, tty, 0); + /* + * Echo character, and then send the signal. + * Note that we do not use isig() here because we want + * the order to be: + * 1) flush, 2) echo, 3) signal + */ + if (!L_NOFLSH(tty)) { + n_tty_flush_buffer(tty); + if (tty->driver->flush_buffer) + tty->driver->flush_buffer(tty); + } + if (L_ECHO(tty)) + echo_char(c, tty); + if (tty->pgrp) + kill_pgrp(tty->pgrp, signal, 1); return; } } |