linux-kernel - [PATCH] bus: fsl-mc: fixup coccinelle warnings

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Date:   Thu, 21 Oct 2021 06:53:09 +0000
From:   cgel.zte@...il.com
To:     stuyoder@...il.com
Cc:     laurentiu.tudor@....com, linux-kernel@...r.kernel.org,
        Ye Guojin <ye.guojin@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] bus: fsl-mc: fixup coccinelle warnings

From: Ye Guojin <ye.guojin@....com.cn>

coccicheck complains about the use of snprintf() in sysfs show
functions:
WARNING  use scnprintf or sprintf

Use sysfs_emit instead of scnprintf or sprintf makes more sense.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Ye Guojin <ye.guojin@....com.cn>
---
 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 8fd4a356a86e..e82bcdad2eb7 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -200,7 +200,7 @@ 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