TTY: serial_core, remove unused variable

drivers/tty/serial/serial_core.c:1980:2: warning: Value stored to 'tty' is never read
        tty = port->tty;
        ^     ~~~~~~~~~

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Acked-by: Govindraj.R <govindraj.raja@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 733fe8e..d6e7240 100644 (file)
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -1972,13 +1972,9 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport)
        struct tty_port *port = &state->port;
        struct device *tty_dev;
        struct uart_match match = {uport, drv};
-       struct tty_struct *tty;
 
        mutex_lock(&port->mutex);
 
-       /* Must be inside the mutex lock until we convert to tty_port */
-       tty = port->tty;
-
        tty_dev = device_find_child(uport->dev, &match, serial_match_port);
        if (device_may_wakeup(tty_dev)) {
                if (!enable_irq_wake(uport->irq))