linux-kernel - [PATCH] drivers: tty: replace snprintf in show functions with sysfs

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Message-Id: <20211028101350.14172-1-yao.jing2@zte.com.cn>
Date:   Thu, 28 Oct 2021 10:13:50 +0000
From:   cgel.zte@...il.com
To:     gregkh@...uxfoundation.org
Cc:     jirislaby@...nel.org, johan@...nel.org, macro@...am.me.uk,
        fancer.lancer@...il.com, andrew@...id.au, pali@...nel.org,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jing Yao <yao.jing2@....com.cn>, Zeal Robot <zealci@....com.cn>
Subject: [PATCH] drivers: tty: replace snprintf in show functions with sysfs_emit

From: Jing Yao <yao.jing2@....com.cn>

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Jing Yao <yao.jing2@....com.cn>
---
 drivers/tty/serial/8250/8250_port.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 5775cbff8f6e..557e8b13b5c1 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -3099,7 +3099,7 @@ static ssize_t rx_trig_bytes_show(struct device *dev,
 	if (rxtrig_bytes < 0)
 		return rxtrig_bytes;
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", rxtrig_bytes);
+	return sysfs_emit(buf, PAGE_SIZE, "%d\n", rxtrig_bytes);
 }
 
 static int do_set_rxtrig(struct tty_port *port, unsigned char bytes)
-- 
2.25.1