Document the order of arguments for cap_issubset. It's not instantly clear
which order the argument should be in. So give an example. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
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@ -457,6 +457,13 @@ static inline int cap_isclear(const kernel_cap_t a)
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return 1;
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}
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/*
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* Check if "a" is a subset of "set".
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* return 1 if ALL of the capabilities in "a" are also in "set"
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* cap_issubset(0101, 1111) will return 1
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* return 0 if ANY of the capabilities in "a" are not in "set"
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* cap_issubset(1111, 0101) will return 0
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*/
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static inline int cap_issubset(const kernel_cap_t a, const kernel_cap_t set)
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{
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kernel_cap_t dest;
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