* [PATCH] iio: mma8452: Convert to use sysfs_emit_at() API
@ 2022-12-07 2:04 ye.xingchen
0 siblings, 0 replies; only message in thread
From: ye.xingchen @ 2022-12-07 2:04 UTC (permalink / raw)
To: andriy.shevchenko, jic23
Cc: lars, hdegoede, haibo.chen, u.kleine-koenig, 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/accel/mma8452.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index f97fb68e3a71..7ba3c743e6f6 100644
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -266,8 +266,7 @@ static ssize_t mma8452_show_int_plus_micros(char *buf, const int (*vals)[2],
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';
@@ -423,7 +422,7 @@ static ssize_t mma8452_show_os_ratio_avail(struct device *dev,
val = mma8452_os_ratio[j][i];
- len += scnprintf(buf + len, PAGE_SIZE - len, "%d ", val);
+ len += sysfs_emit_at(buf, len, "%d ", val);
}
buf[len - 1] = '\n';
--
2.25.1
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