linux-kernel - [PATCH] ACPICA: Replace deprecated strncpy() with strscpy()

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Message-ID: <20250317143806244wrGxYdlssPbWp7T7W5Gbr@zte.com.cn>
Date: Mon, 17 Mar 2025 14:38:06 +0800 (CST)
From: <feng.wei8@....com.cn>
To: <robert.moore@...el.com>
Cc: <rafael.j.wysocki@...el.com>, <lenb@...nel.org>,
        <linux-acpi@...r.kernel.org>, <acpica-devel@...ts.linux.dev>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] ACPICA: Replace deprecated strncpy() with strscpy()

From: FengWei <feng.wei8@....com.cn>

strncpy() is deprecated for NUL-terminated destination buffers. Use
strscpy() instead and remove the manual NUL-termination.

Signed-off-by: FengWei <feng.wei8@....com.cn>
---
 drivers/acpi/acpica/utnonansi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/acpi/acpica/utnonansi.c b/drivers/acpi/acpica/utnonansi.c
index ff0802ace19b..1da9b8246011 100644
--- a/drivers/acpi/acpica/utnonansi.c
+++ b/drivers/acpi/acpica/utnonansi.c
@@ -168,8 +168,7 @@ void acpi_ut_safe_strncpy(char *dest, char *source, acpi_size dest_size)
 {
 	/* Always terminate destination string */

-	strncpy(dest, source, dest_size);
-	dest[dest_size - 1] = 0;
+	strscpy(dest, source, dest_size);
 }

 #endif
-- 
2.25.1