diff options
Diffstat (limited to 'drivers/tty/mxser.c')
| -rw-r--r-- | drivers/tty/mxser.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index 302909ccf183..71d6eb2c93b1 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -1084,6 +1084,10 @@ static void mxser_close(struct tty_struct *tty, struct file *filp) mutex_lock(&port->mutex); mxser_close_port(port); mxser_flush_buffer(tty); + if (test_bit(ASYNCB_INITIALIZED, &port->flags)) { + if (C_HUPCL(tty)) + tty_port_lower_dtr_rts(port); + } mxser_shutdown_port(port); clear_bit(ASYNCB_INITIALIZED, &port->flags); mutex_unlock(&port->mutex); |