From: <ye.xingchen@zte.com.cn>
To: <jic23@kernel.org>
Cc: <haibo.chen@nxp.com>, <andriy.shevchenko@linux.intel.com>,
<lars@metafoo.de>, <linux-iio@vger.kernel.org>,
<linux-imx@nxp.com>, <linux-kernel@vger.kernel.org>
Subject: [PATCH] iio: adc: vf610_adc: Convert to use sysfs_emit_at() API
Date: Wed, 7 Dec 2022 15:34:51 +0800 (CST) [thread overview]
Message-ID: <202212071534513812390@zte.com.cn> (raw)
From: ye xingchen <ye.xingchen@zte.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@zte.com.cn>
---
drivers/iio/adc/vf610_adc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
index ae31aafd2653..dbf80f5f674b 100644
--- a/drivers/iio/adc/vf610_adc.c
+++ b/drivers/iio/adc/vf610_adc.c
@@ -606,8 +606,7 @@ static ssize_t vf610_show_samp_freq_avail(struct device *dev,
int i;
for (i = 0; i < ARRAY_SIZE(info->sample_freq_avail); i++)
- len += scnprintf(buf + len, PAGE_SIZE - len,
- "%u ", info->sample_freq_avail[i]);
+ len += sysfs_emit_at(buf, len, "%u ", info->sample_freq_avail[i]);
/* replace trailing space by newline */
buf[len - 1] = '\n';
--
2.25.1
next reply other threads:[~2022-12-07 7:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-07 7:34 ye.xingchen [this message]
2022-12-09 8:28 ` [PATCH] iio: adc: vf610_adc: Convert to use sysfs_emit_at() API Bough Chen
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