On Sat, Jan 14, 2023 at 07:02:23PM +0100, Mateusz Guzik wrote:
> Signed-off-by: Mateusz Guzik <mjguzik@xxxxxxxxx>
Reviewed-by: Serge Hallyn <serge@xxxxxxxxxx>
> ---
> include/linux/capability.h | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/include/linux/capability.h b/include/linux/capability.h
> index 65efb74c3585..736a973c677a 100644
> --- a/include/linux/capability.h
> +++ b/include/linux/capability.h
> @@ -156,6 +156,16 @@ static inline bool cap_isclear(const kernel_cap_t a)
> return true;
> }
>
> +static inline bool cap_isidentical(const kernel_cap_t a, const kernel_cap_t b)
> +{
> + unsigned __capi;
> + CAP_FOR_EACH_U32(__capi) {
> + if (a.cap[__capi] != b.cap[__capi])
> + return false;
> + }
> + return true;
> +}
> +
> /*
> * Check if "a" is a subset of "set".
> * return true if ALL of the capabilities in "a" are also in "set"
> --
> 2.34.1
