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Message-ID: <202212071644171074630@zte.com.cn>
Date:   Wed, 7 Dec 2022 16:44:17 +0800 (CST)
From:   <ye.xingchen@....com.cn>
To:     <dmitry.torokhov@...il.com>
Cc:     <linux-input@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <jeff@...undy.com>
Subject: [PATCH] Input: 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/input/vivaldi-fmap.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/input/vivaldi-fmap.c b/drivers/input/vivaldi-fmap.c
index 6dae83d96806..ac5edc4d2ab0 100644
--- a/drivers/input/vivaldi-fmap.c
+++ b/drivers/input/vivaldi-fmap.c
@@ -27,10 +27,9 @@ ssize_t vivaldi_function_row_physmap_show(const struct vivaldi_data *data,
 		return 0;

 	for (i = 0; i < data->num_function_row_keys; i++)
-		size += scnprintf(buf + size, PAGE_SIZE - size,
-				  "%s%02X", size ? " " : "", physmap[i]);
+		size += sysfs_emit_at(buf, size, "%s%02X", size ? " " : "", physmap[i]);
 	if (size)
-		size += scnprintf(buf + size, PAGE_SIZE - size, "\n");
+		size += sysfs_emit_at(buf, size, "\n");

 	return size;
 }
-- 
2.25.1

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