Messages in this thread |  | | Date | Sat, 14 Jan 2023 13:33:02 -0600 | From | "Serge E. Hallyn" <> | Subject | Re: [PATCH 1/2] capability: add cap_isidentical |
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On Sat, Jan 14, 2023 at 07:02:23PM +0100, Mateusz Guzik wrote: > Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Reviewed-by: Serge Hallyn <serge@hallyn.com>
> --- > 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
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