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Message-ID: <202212071552316472938@zte.com.cn>
Date: Wed, 7 Dec 2022 15:52:31 +0800 (CST)
From: <ye.xingchen@....com.cn>
To: <andriy.shevchenko@...ux.intel.com>
Cc: <jic23@...nel.org>, <lars@...afoo.de>,
<u.kleine-koenig@...gutronix.de>, <luca.ceresoli@...tlin.com>,
<ojeda@...nel.org>, <linux-iio@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH] iio: magnetometer: mag3110: 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/magnetometer/mag3110.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c
index 661176a885ad..6dcc68093535 100644
--- a/drivers/iio/magnetometer/mag3110.c
+++ b/drivers/iio/magnetometer/mag3110.c
@@ -121,8 +121,7 @@ static ssize_t mag3110_show_int_plus_micros(char *buf,
size_t len = 0;
while (n-- > 0)
- len += scnprintf(buf + len, PAGE_SIZE - len,
- "%d.%06d ", vals[n][0], vals[n][1]);
+ len += sysfs_emit_at(buf, len, "%d.%06d ", vals[n][0], vals[n][1]);
/* replace trailing space by newline */
buf[len - 1] = '\n';
--
2.25.1
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