linux-kernel - [PATCH] tty: serial: 8250: remove set but unused variable

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Date:   Thu, 5 Dec 2019 20:11:43 +0800
From:   Xiongfeng Wang <wangxiongfeng2@...wei.com>
To:     <gregkh@...uxfoundation.org>, <jslaby@...e.com>
CC:     <linux-serial@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <huawei.libin@...wei.com>, <wangxiongfeng2@...wei.com>
Subject: [PATCH] tty: serial: 8250: remove set but unused variable

Fix the following warning:
drivers/tty/serial/8250/serial_cs.c: In function multi_config:
drivers/tty/serial/8250/serial_cs.c:562:7: warning: variable err set but not used [-Wunused-but-set-variable]

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@...wei.com>
---
 drivers/tty/serial/8250/serial_cs.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/tty/serial/8250/serial_cs.c b/drivers/tty/serial/8250/serial_cs.c
index c8186a0..eeda6a0 100644
--- a/drivers/tty/serial/8250/serial_cs.c
+++ b/drivers/tty/serial/8250/serial_cs.c
@@ -559,16 +559,13 @@ static int multi_config(struct pcmcia_device *link)
 	 */
 	if (info->manfid == MANFID_OXSEMI || (info->manfid == MANFID_POSSIO &&
 				info->prodid == PRODID_POSSIO_GCC)) {
-		int err;
-
 		if (link->config_index == 1 ||
 		    link->config_index == 3) {
-			err = setup_serial(link, info, base2,
-					link->irq);
+			setup_serial(link, info, base2, link->irq);
 			base2 = link->resource[0]->start;
 		} else {
-			err = setup_serial(link, info, link->resource[0]->start,
-					link->irq);
+			setup_serial(link, info, link->resource[0]->start,
+				     link->irq);
 		}
 		info->c950ctrl = base2;
 
-- 
1.7.12.4