linux-kernel - [PATCH 6/8] sparc32: Replace deprecated strcpy with strscpy

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Message-ID: <20250922210408.1723452-6-thorsten.blum@linux.dev>
Date: Mon, 22 Sep 2025 23:03:55 +0200
From: Thorsten Blum <thorsten.blum@...ux.dev>
To: "David S. Miller" <davem@...emloft.net>,
	Andreas Larsson <andreas@...sler.com>,
	"Mike Rapoport (Microsoft)" <rppt@...nel.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Alexander Gordeev <agordeev@...ux.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Guo Weikang <guoweikang.kernel@...il.com>
Cc: linux-hardening@...r.kernel.org,
	Thorsten Blum <thorsten.blum@...ux.dev>,
	sparclinux@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 6/8] sparc32: Replace deprecated strcpy with strscpy

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_32.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c
index a67dd67f10c8..cd94f1e8d644 100644
--- a/arch/sparc/kernel/prom_32.c
+++ b/arch/sparc/kernel/prom_32.c
@@ -187,14 +187,16 @@ 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;
 }
@@ -204,13 +206,14 @@ extern void restore_current(void);
 void __init of_console_init(void)
 {
 	char *msg = "OF stdout device is: %s\n";
+	const size_t of_console_path_sz = 256;
 	struct device_node *dp;
 	unsigned long flags;
 	const char *type;
 	phandle node;
 	int skip, tmp, fd;
 
-	of_console_path = prom_early_alloc(256);
+	of_console_path = prom_early_alloc(of_console_path_sz);
 
 	switch (prom_vers) {
 	case PROM_V0:
@@ -297,7 +300,7 @@ void __init of_console_init(void)
 				prom_printf("No stdout-path in root node.\n");
 				prom_halt();
 			}
-			strcpy(of_console_path, path);
+			strscpy(of_console_path, path, of_console_path_sz);
 		}
 		break;
 	}
-- 
2.51.0