From: Thorsten Blum <thorsten.blum@linux.dev>
Date: Mon, 24 Feb 2025 21:54:50 +0000 (+0100)
Subject: MIPS: Loongson2ef: Replace deprecated strncpy() with strscpy()
X-Git-Tag: v6.15-rc1~112^2~7
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1bea9ab46d9f9871b71b078192699fc94287fcc4;p=thirdparty%2Flinux.git

MIPS: Loongson2ef: Replace deprecated strncpy() with strscpy()

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

Compile-tested only.

Link: https://github.com/KSPP/linux/issues/90
Cc: linux-hardening@vger.kernel.org
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---

diff --git a/arch/mips/loongson2ef/common/machtype.c b/arch/mips/loongson2ef/common/machtype.c
index 82f6de49f20fe..e635e66d2e6c9 100644
--- a/arch/mips/loongson2ef/common/machtype.c
+++ b/arch/mips/loongson2ef/common/machtype.c
@@ -48,8 +48,7 @@ void __init prom_init_machtype(void)
 		return;
 	}
 	p += strlen("machtype=");
-	strncpy(str, p, MACHTYPE_LEN);
-	str[MACHTYPE_LEN] = '\0';
+	strscpy(str, p);
 	p = strstr(str, " ");
 	if (p)
 		*p = '\0';