diff options
| -rw-r--r-- | drivers/tty/n_tty.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 88af1cdd2fd1..640c9e871044 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1220,20 +1220,26 @@ n_tty_receive_signal_char(struct tty_struct *tty, int signal, unsigned char c) process_echoes(tty); } +static bool n_tty_is_char_flow_ctrl(struct tty_struct *tty, unsigned char c) +{ + return c == START_CHAR(tty) || c == STOP_CHAR(tty); +} + /* Returns true if c is consumed as flow-control character */ static bool n_tty_receive_char_flow_ctrl(struct tty_struct *tty, unsigned char c) { + if (!n_tty_is_char_flow_ctrl(tty, c)) + return false; + if (c == START_CHAR(tty)) { start_tty(tty); process_echoes(tty); return true; } - if (c == STOP_CHAR(tty)) { - stop_tty(tty); - return true; - } - return false; + /* STOP_CHAR */ + stop_tty(tty); + return true; } static void n_tty_receive_char_special(struct tty_struct *tty, unsigned char c) |