linux-kernel - [PATCH] platform/mellanox: mlxreg-hotplug: use sysfs

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Message-ID: <20250116081000.2900435-1-aichao@kylinos.cn>
Date: Thu, 16 Jan 2025 16:10:00 +0800
From: Ai Chao <aichao@...inos.cn>
To: hdegoede@...hat.com,
	ilpo.jarvinen@...ux.intel.com,
	vadimp@...dia.com,
	platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Ai Chao <aichao@...inos.cn>
Subject: [PATCH] platform/mellanox: mlxreg-hotplug: use sysfs_emit() instead of sprintf()

Follow the advice in Documentation/filesystems/sysfs.rst:
show() should only use sysfs_emit() or sysfs_emit_at() when formatting
the value to be returned to user space.

Signed-off-by: Ai Chao <aichao@...inos.cn>
---
 drivers/platform/mellanox/mlxreg-hotplug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/mellanox/mlxreg-hotplug.c b/drivers/platform/mellanox/mlxreg-hotplug.c
index 6aa2a4650367..b347000e4329 100644
--- a/drivers/platform/mellanox/mlxreg-hotplug.c
+++ b/drivers/platform/mellanox/mlxreg-hotplug.c
@@ -232,7 +232,7 @@ static ssize_t mlxreg_hotplug_attr_show(struct device *dev,
 			regval = !!(regval & data->mask);
 	}
 
-	return sprintf(buf, "%u\n", regval);
+	return sysfs_emit(buf, "%u\n", regval);
 }
 
 #define PRIV_ATTR(i) priv->mlxreg_hotplug_attr[i]
-- 
2.47.1