serial: imx: Remove unused 'tty' variable

Commit 2e124b4a39 (TTY: switch tty_flip_buffer_push) introduced the following
build warning:

drivers/tty/serial/imx.c:519:21: warning: unused variable 'tty' [-Wunused-variable]

Remove the unused 'tty' variable.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index be26345bf6a4..a220f77ceab6 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -516,7 +516,6 @@ static irqreturn_t imx_rxint(int irq, void *dev_id)
 {
         struct imx_port *sport = dev_id;
         unsigned int rx, flg, ignored = 0;
-        struct tty_struct *tty = sport->port.state->port.tty;
         struct tty_port *port = &sport->port.state->port;
         unsigned long flags, temp;