tty: serial_core: fix NULL struct tty pointer access in uart_write_wakeup

[cascardo/linux.git] / drivers / tty / serial / serial_core.c

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index ce8899c..f2303f3 100644 (file)
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -111,7 +111,7 @@ void uart_write_wakeup(struct uart_port *port)
         * closed.  No cookie for you.
         */
        BUG_ON(!state);
-       tty_wakeup(state->port.tty);
+       tty_port_tty_wakeup(&state->port);
 }
 
 static void uart_stop(struct tty_struct *tty)
@@ -632,7 +632,7 @@ static void uart_flush_buffer(struct tty_struct *tty)
        if (port->ops->flush_buffer)
                port->ops->flush_buffer(port);
        uart_port_unlock(port, flags);
-       tty_wakeup(tty);
+       tty_port_tty_wakeup(&state->port);
 }
 
 /*