linux-kernel - [PATCH] iio: adxl372: Convert to use sysfs_emit

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Message-ID: <202212071001393275575@zte.com.cn>
Date:   Wed, 7 Dec 2022 10:01:39 +0800 (CST)
From:   <ye.xingchen@....com.cn>
To:     <jic23@...nel.org>, <andriy.shevchenko@...ux.intel.com>
Cc:     <lars@...afoo.de>, <michael.hennerich@...log.com>,
        <linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] iio: adxl372: 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>
---
 drivers/iio/accel/adxl372.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/iio/accel/adxl372.c b/drivers/iio/accel/adxl372.c
index c4193286eb05..15bcb0d75b8f 100644
--- a/drivers/iio/accel/adxl372.c
+++ b/drivers/iio/accel/adxl372.c
@@ -970,8 +970,7 @@ static ssize_t adxl372_show_filter_freq_avail(struct device *dev,
 	size_t len = 0;

 	for (i = 0; i <= st->odr; i++)
-		len += scnprintf(buf + len, PAGE_SIZE - len,
-				 "%d ", adxl372_bw_freq_tbl[i]);
+		len += sysfs_emit_at(buf, len, "%d ", adxl372_bw_freq_tbl[i]);

 	buf[len - 1] = '\n';

-- 
2.25.1