[Patch net] net_sched: copy exts->type in tcf_exts_change()

[Cong Wang <xiyou.wangcong@gmail.com>]

We need to copy exts->type when committing the change, otherwise
it would be always 0. This is a quick fix for -net and -stable,
for net-next tcf_exts will be removed.

Fixes: commit 33be627159913b094bb578e83 ("net_sched: act: use standard struct list_head")
Reported-by: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
---
 net/sched/cls_api.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index c28b0d3..4f4e08b 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -549,6 +549,7 @@ void tcf_exts_change(struct tcf_proto *tp, struct tcf_exts *dst,
 	tcf_tree_lock(tp);
 	list_splice_init(&dst->actions, &tmp);
 	list_splice(&src->actions, &dst->actions);
+	dst->type = src->type;
 	tcf_tree_unlock(tp);
 	tcf_action_destroy(&tmp, TCA_ACT_UNBIND);
 #endif
-- 
1.8.3.1