[PATCH v2 4/4] um: Convert strscpy() usage to 2-argument style

[Geert Uytterhoeven]

Hi Kees,

On Mon, Feb 5, 2024 at 1:36 PM Kees Cook <keescook at chromium.org> wrote:
> The ARCH=um build has its own idea about strscpy()'s definition. Adjust
> the callers to remove the redundant sizeof() arguments ahead of treewide
> changes, since it needs a manual adjustment for the newly named
> sized_strscpy() export.
>
> Cc: Richard Weinberger <richard at nod.at>
> Cc: linux-um at lists.infradead.org
> Signed-off-by: Kees Cook <keescook at chromium.org>

Thanks for your patch!

> --- a/arch/um/include/shared/user.h
> +++ b/arch/um/include/shared/user.h
> @@ -52,7 +52,7 @@ static inline int printk(const char *fmt, ...)
>  extern int in_aton(char *str);
>  extern size_t strlcat(char *, const char *, size_t);
>  extern size_t sized_strscpy(char *, const char *, size_t);
> -#define strscpy(dst, src, size)        sized_strscpy(dst, src, size)
> +#define strscpy(dst, src)      sized_strscpy(dst, src, sizeof(dst))

(dst), (src)

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds