linux-kernel - [PATCH] Input: psmouse: add a newline when printing 'proto' by sysfs

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Message-ID: <20200720073846.120724-1-wangxiongfeng2@huawei.com>
Date:   Mon, 20 Jul 2020 15:38:46 +0800
From:   Xiongfeng Wang <wangxiongfeng2@...wei.com>
To:     <dmitry.torokhov@...il.com>
CC:     <linux-input@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <wangxiongfeng2@...wei.com>
Subject: [PATCH] Input: psmouse: add a newline when printing 'proto' by sysfs

When I cat parameter 'proto' by sysfs, it displays as follows. It's
better to add a newline for easy reading.

root@...kaller:~# cat /sys/module/psmouse/parameters/proto
autoroot@...kaller:~#

Signed-off-by: Xiongfeng Wang <wangxiongfeng2@...wei.com>
---
 drivers/input/mouse/psmouse-base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 527ae0b9a191..0b4a3039f312 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -2042,7 +2042,7 @@ static int psmouse_get_maxproto(char *buffer, const struct kernel_param *kp)
 {
 	int type = *((unsigned int *)kp->arg);
 
-	return sprintf(buffer, "%s", psmouse_protocol_by_type(type)->name);
+	return sprintf(buffer, "%s\n", psmouse_protocol_by_type(type)->name);
 }
 
 static int __init psmouse_init(void)
-- 
2.20.1