summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/char/n_tty.c16
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;
}
}