3.19.8-ckt6 -stable review patch. If anyone has any objections, please let me know.
------------------
From: WANG Cong <xiyou.wangcong@xxxxxxxxx>
commit 5175f7106cc55a1bcf97bf7d5ba0900017ebcef8 upstream.
When we share an action within a filter, the bind refcnt
should increase, therefore we should not call tcf_hash_release().
Fixes: 1a29321ed045 ("net_sched: act: Dont increment refcnt on replace")
Cc: Jamal Hadi Salim <jhs@xxxxxxxxxxxx>
Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Signed-off-by: Cong Wang <xiyou.wangcong@xxxxxxxxx>
Signed-off-by: Cong Wang <cwang@xxxxxxxxxxxxxxxx>
Acked-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
net/sched/act_pedit.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 59649d5..4298e8d 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -68,13 +68,12 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla,
}
ret = ACT_P_CREATED;
} else {
- p = to_pedit(a);
- tcf_hash_release(a, bind);
if (bind)
return 0;
+ tcf_hash_release(a, bind);
if (!ovr)
return -EEXIST;
-
+ p = to_pedit(a);
if (p->tcfp_nkeys && p->tcfp_nkeys != parm->nkeys) {
keys = kmalloc(ksize, GFP_KERNEL);
if (keys == NULL)
--
1.9.1
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