linux-kernel - [PATCH 7/8] sparc64: Replace deprecated strcpy with strscpy in build_path

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Message-ID: <20250922210408.1723452-7-thorsten.blum@linux.dev>
Date: Mon, 22 Sep 2025 23:03:56 +0200
From: Thorsten Blum <thorsten.blum@...ux.dev>
To: "David S. Miller" <davem@...emloft.net>,
	Andreas Larsson <andreas@...sler.com>
Cc: linux-hardening@...r.kernel.org,
	Thorsten Blum <thorsten.blum@...ux.dev>,
	sparclinux@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 7/8] sparc64: Replace deprecated strcpy with strscpy in build_path_component

strcpy() is deprecated; use strscpy() instead.

No functional changes intended.

Link: https://github.com/KSPP/linux/issues/88
Signed-off-by: Thorsten Blum <thorsten.blum@...ux.dev>
---
 arch/sparc/kernel/prom_64.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c
index ba82884cb92a..aa4799cbb9c1 100644
--- a/arch/sparc/kernel/prom_64.c
+++ b/arch/sparc/kernel/prom_64.c
@@ -361,14 +361,16 @@ char * __init build_path_component(struct device_node *dp)
 {
 	const char *name = of_get_property(dp, "name", NULL);
 	char tmp_buf[64], *n;
+	size_t n_sz;
 
 	tmp_buf[0] = '\0';
 	__build_path_component(dp, tmp_buf);
 	if (tmp_buf[0] == '\0')
-		strcpy(tmp_buf, name);
+		strscpy(tmp_buf, name);
 
-	n = prom_early_alloc(strlen(tmp_buf) + 1);
-	strcpy(n, tmp_buf);
+	n_sz = strlen(tmp_buf) + 1;
+	n = prom_early_alloc(n_sz);
+	strscpy(n, tmp_buf, n_sz);
 
 	return n;
 }
-- 
2.51.0