[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_tcindex.c b/net/sched/cls_tcindex.c
index ee60b2d1705d..7a7bff5ded24 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -55,7 +55,7 @@ struct tcindex_data {
         int fall_through;       /* 0: only classify if explicit match */
 };
 
-static struct tcf_ext_map tcindex_ext_map = {
+static const struct tcf_ext_map tcindex_ext_map = {
         .police = TCA_TCINDEX_POLICE,
         .action = TCA_TCINDEX_ACT
 };