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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>
steinar/wifi_calib_4_9_kernel
WANG Cong 2015-07-30 17:12:20 -07:00 committed by David S. Miller
parent 3576fd794b
commit 636dba8e12
1 changed files with 2 additions and 0 deletions
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2
net/sched/act_mirred.c
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@ -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;