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authorWANG Cong <xiyou.wangcong@gmail.com>2017-04-19 14:21:22 -0700
committerDavid S. Miller <davem@davemloft.net>2017-04-21 13:58:15 -0400
commit4392053879717edb0c4756a3878c0274267e237b (patch)
tree4b6135513c77437534060999f462638e4766beb3 /net/sched/cls_rsvp.h
parent763dbf6328e41de7a55851baf5ee49e367552531 (diff)
net_sched: remove useless NULL to tp->root
There is no need to NULL tp->root in ->destroy(), since tp is going to be freed very soon, and existing readers are still safe to read them. For cls_route, we always init its tp->root, so it can't be NULL, we can drop more useless code. Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: John Fastabend <john.fastabend@gmail.com> Cc: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/cls_rsvp.h')
-rw-r--r--net/sched/cls_rsvp.h4
1 files changed, 0 insertions, 4 deletions
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index 18a947016178..0d9d07798699 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -152,8 +152,6 @@ static int rsvp_classify(struct sk_buff *skb, const struct tcf_proto *tp,
return -1;
nhptr = ip_hdr(skb);
#endif
- if (unlikely(!head))
- return -1;
restart:
#if RSVP_DST_LEN == 4
@@ -310,8 +308,6 @@ static void rsvp_destroy(struct tcf_proto *tp)
if (data == NULL)
return;
- RCU_INIT_POINTER(tp->root, NULL);
-
for (h1 = 0; h1 < 256; h1++) {
struct rsvp_session *s;