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| author | WANG Cong <xiyou.wangcong@gmail.com> | 2015-07-31 00:12:20 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-08-03 21:13:28 (GMT) |
| commit | 636dba8e12d797357b2063981476390f11262c08 (patch) | |
| tree | 814c6863e9f7d608591b20f13ed7634da8d46ed5 /net/sched | |
| parent | 3576fd794b38306e196498ac54bb3b21c32e1ae4 (diff) | |
| download | linux-636dba8e12d797357b2063981476390f11262c08.tar.xz | |
act_mirred: avoid calling tcf_hash_release() when binding
When we share an action within a filter, the bind refcnt
should increase, therefore we should not call tcf_hash_release().
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/act_mirred.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index a42a3b2..2685450 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -98,6 +98,8 @@ static int tcf_mirred_init(struct net *net, struct nlattr *nla, return ret; ret = ACT_P_CREATED; } else { + if (bind) + return 0; if (!ovr) { tcf_hash_release(a, bind); return -EEXIST; |