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| author |   WANG Cong <xiyou.wangcong@gmail.com> | 2017-04-19 14:21:22 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-04-21 13:58:15 -0400 |
| commit | 4392053879717edb0c4756a3878c0274267e237b (patch) | |
| tree | 4b6135513c77437534060999f462638e4766beb3 /net/sched/cls_rsvp.h | |
| parent | net_sched: move the empty tp check from ->destroy() to ->delete() (diff) | |
| download | linux-dev-4392053879717edb0c4756a3878c0274267e237b.tar.xz linux-dev-4392053879717edb0c4756a3878c0274267e237b.zip | |
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.h | 4 |
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; |