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Commit 9d36be76 authored by Eric Paris's avatar Eric Paris Committed by James Morris
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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: default avatarEric Paris <eparis@redhat.com>
Acked-by: default avatarSerge Hallyn <serue@us.ibm.com>
Signed-off-by: default avatarJames Morris <jmorris@namei.org>
parent 39c9aede

include/linux/capability.h

+7 −0
Original line number Diff line number Diff line
@@ -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;