linux-kernel - [PATCH] bus: fsl-mc-bus: convert sysfs snprintf to sysfs

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Message-Id: <20221227103257.1431720-1-zhangxuezhi3@gmail.com>
Date:   Tue, 27 Dec 2022 18:32:57 +0800
From:   Xuezhi Zhang <zhangxuezhi3@...il.com>
To:     zhangxuezhi1@...lpad.com, stuyoder@...il.com,
        laurentiu.tudor@....com
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] bus: fsl-mc-bus: convert sysfs snprintf to sysfs_emit

From: Xuezhi Zhang <zhangxuezhi1@...lpad.com>

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: Xuezhi Zhang <zhangxuezhi1@...lpad.com>
---
 drivers/bus/fsl-mc/fsl-mc-bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
index 774f307844b4..e83d16a54c47 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -201,7 +201,7 @@ static ssize_t driver_override_show(struct device *dev,
 {
 	struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev);
 
-	return snprintf(buf, PAGE_SIZE, "%s\n", mc_dev->driver_override);
+	return sysfs_emit(buf, "%s\n", mc_dev->driver_override);
 }
 static DEVICE_ATTR_RW(driver_override);
 
-- 
2.25.1