* [PATCH] iio: adc: nau7802: Convert to use sysfs_emit_at() API
@ 2022-12-07 7:33 ye.xingchen
0 siblings, 0 replies; only message in thread
From: ye.xingchen @ 2022-12-07 7:33 UTC (permalink / raw)
To: andriy.shevchenko; +Cc: jic23, lars, linux-iio, linux-kernel
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/nau7802.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/iio/adc/nau7802.c b/drivers/iio/adc/nau7802.c
index c1261ecd400c..4dbf54979733 100644
--- a/drivers/iio/adc/nau7802.c
+++ b/drivers/iio/adc/nau7802.c
@@ -86,8 +86,7 @@ static ssize_t nau7802_show_scales(struct device *dev,
int i, len = 0;
for (i = 0; i < ARRAY_SIZE(st->scale_avail); i++)
- len += scnprintf(buf + len, PAGE_SIZE - len, "0.%09d ",
- st->scale_avail[i]);
+ len += sysfs_emit_at(buf, len, "0.%09d ", st->scale_avail[i]);
buf[len-1] = '\n';
--
2.25.1
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