Re: [PATCH] uapi: stddef.h: Provide UAPI macros for __counted_by_{le, be}

From: Alexander Lobakin
Date: Tue May 07 2024 - 09:00:14 EST


From: Erick Archer <erick.archer@xxxxxxxxxxx>
Date: Mon, 6 May 2024 19:42:08 +0200

> Provide UAPI macros for UAPI structs that will gain annotations for
> __counted_by_{le, be} attributes.

Pls add me to Cc next time.

Why is this change needed? __counted_by_{le, be}() aren't used anywhere
in the uAPI headers.

>
> Signed-off-by: Erick Archer <erick.archer@xxxxxxxxxxx>
> ---
> include/uapi/linux/stddef.h | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/include/uapi/linux/stddef.h b/include/uapi/linux/stddef.h
> index 2ec6f35cda32..58154117d9b0 100644
> --- a/include/uapi/linux/stddef.h
> +++ b/include/uapi/linux/stddef.h
> @@ -55,4 +55,12 @@
> #define __counted_by(m)
> #endif
>
> +#ifndef __counted_by_le
> +#define __counted_by_le(m)
> +#endif
> +
> +#ifndef __counted_by_be
> +#define __counted_by_be(m)
> +#endif
> +
> #endif /* _UAPI_LINUX_STDDEF_H */

Thanks,
Olek