tty: serial: jsm: jsm_cls: Remove unused variable 'discard'

Fixes the following W=1 kernel build warning(s):

 drivers/tty/serial/jsm/jsm_cls.c: In function ‘cls_copy_data_from_uart_to_queue’:
 drivers/tty/serial/jsm/jsm_cls.c:400:7: warning: variable ‘discard’ set but not used [-Wunused-but-set-variable]

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: linux-serial@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20201104193549.4026187-12-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/jsm/jsm_cls.c b/drivers/tty/serial/jsm/jsm_cls.c
index c061a7b7bd233913741f34519fc949e60e69a7eb..b507a2cec9269ba428984ba926b81772d0e849ce 100644 (file)
--- a/drivers/tty/serial/jsm/jsm_cls.c
+++ b/drivers/tty/serial/jsm/jsm_cls.c
@@ -397,10 +397,8 @@ static void cls_copy_data_from_uart_to_queue(struct jsm_channel *ch)
                 * which in this case is the break signal.
                 */
                if (linestatus & error_mask)  {
-                       u8 discard;
-
                        linestatus = 0;
-                       discard = readb(&ch->ch_cls_uart->txrx);
+                       readb(&ch->ch_cls_uart->txrx);
                        continue;
                }