* [PATCH] iio: trigger: stm32-timer: Convert to use sysfs_emit_at() API
@ 2022-12-07 7:55 ye.xingchen
0 siblings, 0 replies; only message in thread
From: ye.xingchen @ 2022-12-07 7:55 UTC (permalink / raw)
To: andriy.shevchenko
Cc: jic23, lars, mcoquelin.stm32, alexandre.torgue, fabrice.gasnier,
paul, linux-iio, linux-stm32, linux-arm-kernel, 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/trigger/stm32-timer-trigger.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c
index 3643c4afae67..eadfb255f7b7 100644
--- a/drivers/iio/trigger/stm32-timer-trigger.c
+++ b/drivers/iio/trigger/stm32-timer-trigger.c
@@ -352,8 +352,7 @@ static ssize_t stm32_tt_show_master_mode_avail(struct device *dev,
master_mode_max = MASTER_MODE_MAX;
for (i = 0; i <= master_mode_max; i++)
- len += scnprintf(buf + len, PAGE_SIZE - len,
- "%s ", master_mode_table[i]);
+ len += sysfs_emit_at(buf, len, "%s ", master_mode_table[i]);
/* replace trailing space by newline */
buf[len - 1] = '\n';
--
2.25.1
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