linux-kernel - [PATCH linux-next] sparc: use sysfs

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Message-ID: <20250317155839844Il-ucxcy_UAEF0tTd7FX6@zte.com.cn>
Date: Mon, 17 Mar 2025 15:58:39 +0800 (CST)
From: <xie.ludan@....com.cn>
To: <andreas@...sler.com>
Cc: <davem@...emloft.net>, <zhangkunbo@...wei.com>, <xie.ludan@....com.cn>,
        <sparclinux@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <xu.xin16@....com.cn>, <yang.yang29@....com.cn>
Subject: [PATCH linux-next] sparc: use sysfs_emit() instead of scnprintf().

From: XieLudan <xie.ludan@....com.cn>

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: XieLudan <xie.ludan@....com.cn>
---
 arch/sparc/kernel/pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index ddac216a2aff..917e1db3164e 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -593,7 +593,7 @@ show_pciobppath_attr(struct device * dev, struct device_attribute * attr, char *
 	pdev = to_pci_dev(dev);
 	dp = pdev->dev.of_node;

-	return scnprintf(buf, PAGE_SIZE, "%pOF\n", dp);
+	return sysfs_emit(buf, "%pOF\n", dp);
 }

 static DEVICE_ATTR(obppath, S_IRUSR | S_IRGRP | S_IROTH, show_pciobppath_attr, NULL);
-- 
2.25.1