[PATCH] m68k: mm: Replace deprecated strncpy() with strscpy()

[Thorsten Blum <thorsten.blum@linux.dev>]

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>
---
 arch/m68k/kernel/setup_mm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/m68k/kernel/setup_mm.c b/arch/m68k/kernel/setup_mm.c
index 15c1a595a1de..48ce67947678 100644
--- a/arch/m68k/kernel/setup_mm.c
+++ b/arch/m68k/kernel/setup_mm.c
@@ -243,8 +243,7 @@ void __init setup_arch(char **cmdline_p)
 	setup_initial_init_mm((void *)PAGE_OFFSET, _etext, _edata, _end);
 
 #if defined(CONFIG_BOOTPARAM)
-	strncpy(m68k_command_line, CONFIG_BOOTPARAM_STRING, CL_SIZE);
-	m68k_command_line[CL_SIZE - 1] = 0;
+	strscpy(m68k_command_line, CONFIG_BOOTPARAM_STRING, CL_SIZE);
 #endif /* CONFIG_BOOTPARAM */
 	process_uboot_commandline(&m68k_command_line[0], CL_SIZE);
 	*cmdline_p = m68k_command_line;
-- 
2.48.1