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Subject[PATCH 2/2] security/capability.h: cap_issubset/isclear can be boolean
Date
This patch makes cap_issubset/isclear return bool due to these
functions only using either one or zero as their return
value.

No functional change.

Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com>
---
include/linux/capability.h | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/linux/capability.h b/include/linux/capability.h
index b032003..f314275 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -145,24 +145,24 @@ static inline kernel_cap_t cap_invert(const kernel_cap_t c)
return dest;
}

-static inline int cap_isclear(const kernel_cap_t a)
+static inline bool cap_isclear(const kernel_cap_t a)
{
unsigned __capi;
CAP_FOR_EACH_U32(__capi) {
if (a.cap[__capi] != 0)
- return 0;
+ return false;
}
- return 1;
+ return true;
}

/*
* 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
+ * return true if ALL of the capabilities in "a" are also in "set"
+ * cap_issubset(0101, 1111) will return true
+ * return false if ANY of the capabilities in "a" are not in "set"
+ * cap_issubset(1111, 0101) will return false
*/
-static inline int cap_issubset(const kernel_cap_t a, const kernel_cap_t set)
+static inline bool cap_issubset(const kernel_cap_t a, const kernel_cap_t set)
{
kernel_cap_t dest;
dest = cap_drop(a, set);
--
1.9.1




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