Sync to Linus v4.4-rc2 for LSM developers.
diff --git a/include/linux/capability.h b/include/linux/capability.h
index af9f0b9..f314275 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -145,24 +145,24 @@
 	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);
@@ -171,12 +171,6 @@
 
 /* Used to decide between falling back on the old suser() or fsuser(). */
 
-static inline int cap_is_fs_cap(int cap)
-{
-	const kernel_cap_t __cap_fs_set = CAP_FS_SET;
-	return !!(CAP_TO_MASK(cap) & __cap_fs_set.cap[CAP_TO_INDEX(cap)]);
-}
-
 static inline kernel_cap_t cap_drop_fs_set(const kernel_cap_t a)
 {
 	const kernel_cap_t __cap_fs_set = CAP_FS_SET;