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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@suse.cz>
Acked-by: Govindraj.R <govindraj.raja@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jiri Slaby 2011-03-23 09:49:55 +01:00 committed by Greg Kroah-Hartman
parent 52ea383aba
commit 4fd53ef5c9
1 changed files with 0 additions and 4 deletions
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4
drivers/tty/serial/serial_core.c
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@ -1972,13 +1972,9 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport)
struct tty_port *port = &state->port; struct tty_port *port = &state->port;
struct device *tty_dev; struct device *tty_dev;
struct uart_match match = {uport, drv}; struct uart_match match = {uport, drv};
struct tty_struct *tty;
mutex_lock(&port->mutex); 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); tty_dev = device_find_child(uport->dev, &match, serial_match_port);
if (device_may_wakeup(tty_dev)) { if (device_may_wakeup(tty_dev)) {
if (!enable_irq_wake(uport->irq)) if (!enable_irq_wake(uport->irq))