diff options
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index e562b1224466..9f72be28e6f2 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -244,6 +244,13 @@ static void uart_shutdown(struct tty_struct *tty, struct uart_state *state) } /* + * It's possible for shutdown to be called after suspend if we get + * a DCD drop (hangup) at just the right time. Clear suspended bit so + * we don't try to resume a port that has been shutdown. + */ + clear_bit(ASYNCB_SUSPENDED, &port->flags); + + /* * Free the transmit buffer page. */ if (state->xmit.buf) { |
