xfrm: Convert several xfrm policy match functions to bool.

xfrm_selector_match
xfrm_sec_ctx_match
__xfrm4_selector_match
__xfrm6_selector_match

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 1cb32bf..e0a55df 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -886,15 +886,15 @@
 	return port;
 }
 
-extern int xfrm_selector_match(const struct xfrm_selector *sel,
-			       const struct flowi *fl,
-			       unsigned short family);
+extern bool xfrm_selector_match(const struct xfrm_selector *sel,
+				const struct flowi *fl,
+				unsigned short family);
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
 /*	If neither has a context --> match
  * 	Otherwise, both must have a context and the sids, doi, alg must match
  */
-static inline int xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ctx *s2)
+static inline bool xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ctx *s2)
 {
 	return ((!s1 && !s2) ||
 		(s1 && s2 &&
@@ -903,9 +903,9 @@
 		 (s1->ctx_alg == s2->ctx_alg)));
 }
 #else
-static inline int xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ctx *s2)
+static inline bool xfrm_sec_ctx_match(struct xfrm_sec_ctx *s1, struct xfrm_sec_ctx *s2)
 {
-	return 1;
+	return true;
 }
 #endif