linux-kernel - [PATCH v2] i2c: mux: Convert to use sysfs_emit

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <202212071048339386860@zte.com.cn>
Date:   Wed, 7 Dec 2022 10:48:33 +0800 (CST)
From:   <ye.xingchen@....com.cn>
To:     <peda@...ntia.se>
Cc:     <wsa+renesas@...g-engineering.com>, <linux-i2c@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v2] i2c: mux: Convert to use sysfs_emit_at() API

From: ye xingchen <ye.xingchen@....com.cn>

Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.

Signed-off-by: ye xingchen <ye.xingchen@....com.cn>
---
v1 -> v2
Fix the code style.
 drivers/i2c/muxes/i2c-demux-pinctrl.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c
index f7a7405d4350..28e0911920be 100644
--- a/drivers/i2c/muxes/i2c-demux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c
@@ -167,9 +167,9 @@ static ssize_t available_masters_show(struct device *dev,
 	int count = 0, i;

 	for (i = 0; i < priv->num_chan && count < PAGE_SIZE; i++)
-		count += scnprintf(buf + count, PAGE_SIZE - count, "%d:%pOF%c",
-				   i, priv->chan[i].parent_np,
-				   i == priv->num_chan - 1 ? '\n' : ' ');
+		count += sysfs_emit_at(buf, count, "%d:%pOF%c",
+				       i, priv->chan[i].parent_np,
+				       i == priv->num_chan - 1 ? '\n' : ' ');

 	return count;
 }
-- 
2.25.1