diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index f859dd5..6bc29e8 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -189,7 +189,7 @@
    (root qdisc, all its children, children of children etc.)
  */
 
-struct Qdisc *qdisc_match_from_root(struct Qdisc *root, u32 handle)
+static struct Qdisc *qdisc_match_from_root(struct Qdisc *root, u32 handle)
 {
 	struct Qdisc *q;