Remove unused variable from sierra_release_urb.

Signed-off-by: Johan Hovold <jhov...@gmail.com>
---
 drivers/usb/serial/sierra.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 169899f5f2e6..fa0b78ad42d7 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -419,9 +419,7 @@ static int sierra_tiocmset(struct tty_struct *tty,
 
 static void sierra_release_urb(struct urb *urb)
 {
-       struct usb_serial_port *port;
        if (urb) {
-               port = urb->context;
                kfree(urb->transfer_buffer);
                usb_free_urb(urb);
        }
-- 
1.8.5.5

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