linux-kernel - [PATCH] most: replace scnprintf in show functions with sysfs

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Date:   Mon,  1 Nov 2021 08:38:09 +0000
From:   cgel.zte@...il.com
To:     linux-kernel@...r.kernel.org
Cc:     deng.changcheng@....com.cn, Zeal Robot <zealci@....com.cn>
Subject: [PATCH] most: replace scnprintf in show functions with sysfs_emit

From: Changcheng Deng <deng.changcheng@....com.cn>

Fix the coccicheck warning:
./drivers/most/most_usb.c: 834: 9-17: 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: Changcheng Deng <deng.changcheng@....com.cn>
---
 drivers/most/most_usb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/most/most_usb.c b/drivers/most/most_usb.c
index 2640c5b326a4..0760fd141e4a 100644
--- a/drivers/most/most_usb.c
+++ b/drivers/most/most_usb.c
@@ -830,7 +830,7 @@ static ssize_t value_show(struct device *dev, struct device_attribute *attr,
 	int err;
 
 	if (sysfs_streq(name, "arb_address"))
-		return snprintf(buf, PAGE_SIZE, "%04x\n", dci_obj->reg_addr);
+		return sysfs_emit(buf, "%04x\n", dci_obj->reg_addr);
 
 	if (sysfs_streq(name, "arb_value"))
 		reg_addr = dci_obj->reg_addr;
-- 
2.25.1