[PATCH 2/7] TTY: serial_core, remove unused variable

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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@xxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
Cc: linux-serial@xxxxxxxxxxxxxxx
---
 drivers/tty/serial/serial_core.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 733fe8e..d6e7240 100644
--- 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))
-- 
1.7.4.1


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