diff --git a/[refs] b/[refs]
index e986418a17c7..2006f573be1b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 618f9bc74a039da76fa027ac2600c5b785b964c5
+refs/heads/master: b8400f3718a11c9b0ca400705cddf94f3132c1c3
diff --git a/trunk/include/net/route.h b/trunk/include/net/route.h
index db7b3432f07c..91855d185b53 100644
--- a/trunk/include/net/route.h
+++ b/trunk/include/net/route.h
@@ -71,12 +71,12 @@ struct rtable {
 	struct fib_info		*fi; /* for client ref to shared metrics */
 };
 
-static inline bool rt_is_input_route(struct rtable *rt)
+static inline bool rt_is_input_route(const struct rtable *rt)
 {
 	return rt->rt_route_iif != 0;
 }
 
-static inline bool rt_is_output_route(struct rtable *rt)
+static inline bool rt_is_output_route(const struct rtable *rt)
 {
 	return rt->rt_route_iif == 0;
 }