Re: [PATCH linux-next] m68k: Move from strlcpy with unused retval to strscpy

[Geert Uytterhoeven]

CC linux-m68k

On Fri, Sep 30, 2022 at 10:07 AM <cgel.zte@xxxxxxxxx> wrote:
> From: Xu Panda <xu.panda@xxxxxxxxxx>
>
> The implementation of strscpy() is more robust and safer.
> That's now the recommended way to copy NUL terminated strings.
>
> Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
> Signed-off-by: Xu Panda <xu.panda@xxxxxxxxxx>
> ---
>  arch/m68k/kernel/setup_mm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/m68k/kernel/setup_mm.c b/arch/m68k/kernel/setup_mm.c
> index 06ee394db610..401a8deb6ffc 100644
> --- a/arch/m68k/kernel/setup_mm.c
> +++ b/arch/m68k/kernel/setup_mm.c
> @@ -231,7 +231,7 @@ 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);
> +       strscpy(m68k_command_line, CONFIG_BOOTPARAM_STRING, CL_SIZE);
>         m68k_command_line[CL_SIZE - 1] = 0;
>  #endif /* CONFIG_BOOTPARAM */
>         process_uboot_commandline(&m68k_command_line[0], CL_SIZE);
> --
> 2.15.2