[NET_SCHED]: Constify struct tcf_ext_map

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index f7e7d3955d28..784dcb870b98 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -62,7 +62,7 @@ struct route4_filter
 
 #define ROUTE4_FAILURE ((struct route4_filter*)(-1L))
 
-static struct tcf_ext_map route_ext_map = {
+static const struct tcf_ext_map route_ext_map = {
         .police = TCA_ROUTE4_POLICE,
         .action = TCA_ROUTE4_ACT
 };