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| author | Mateusz Guzik <mjguzik@gmail.com> | 2023-01-25 16:55:56 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-27 16:39:19 -0800 |
| commit | a4eecbae092759537748360299de03e434c9a956 (patch) | |
| tree | 2408d38947372eb9635d22523ab6f5991335c40a /include | |
| parent | 103830683cfc8f43b15158b0a48014b6d6e83633 (diff) | |
| download | linux-rpi-a4eecbae092759537748360299de03e434c9a956.tar.gz linux-rpi-a4eecbae092759537748360299de03e434c9a956.tar.bz2 linux-rpi-a4eecbae092759537748360299de03e434c9a956.zip | |
capability: add cap_isidentical
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Reviewed-by: Serge Hallyn <serge@hallyn.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/capability.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/capability.h b/include/linux/capability.h index 03c2a613ad40..d3c6c2d1ff45 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -157,6 +157,16 @@ 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" |