diff options
Diffstat (limited to 'include/linux/capability.h')
| -rw-r--r-- | include/linux/capability.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/capability.h b/include/linux/capability.h index 5bc145bd759..b5750d0b96e 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -457,6 +457,13 @@ static inline int cap_isclear(const kernel_cap_t a) return 1; } +/* + * Check if "a" is a subset of "set". + * return 1 if ALL of the capabilities in "a" are also in "set" + * cap_issubset(0101, 1111) will return 1 + * return 0 if ANY of the capabilities in "a" are not in "set" + * cap_issubset(1111, 0101) will return 0 + */ static inline int cap_issubset(const kernel_cap_t a, const kernel_cap_t set) { kernel_cap_t dest; |