When cda[CTA_TIMEOUT] is zero, ctnetlink_new_conntrack will
free allocated ct and return, so move it to outside to optimize
this situation.
Signed-off-by: Haishuang Yan <yanhaishuang@xxxxxxxxxxxxxxxxxxxx>
---
net/netfilter/nf_conntrack_netlink.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index a8be9b7..d1e6b1c 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1768,9 +1768,6 @@ static int change_seq_adj(struct nf_ct_seqadj *seq,
if (IS_ERR(ct))
return ERR_PTR(-ENOMEM);
- if (!cda[CTA_TIMEOUT])
- goto err1;
-
ct->timeout = nfct_time_stamp + ntohl(nla_get_be32(cda[CTA_TIMEOUT])) * HZ;
rcu_read_lock();
@@ -1944,7 +1941,7 @@ static int ctnetlink_new_conntrack(struct net *net, struct sock *ctnl,
if (nlh->nlmsg_flags & NLM_F_CREATE) {
enum ip_conntrack_events events;
- if (!cda[CTA_TUPLE_ORIG] || !cda[CTA_TUPLE_REPLY])
+ if (!cda[CTA_TUPLE_ORIG] || !cda[CTA_TUPLE_REPLY] || !cda[CTA_TIMEOUT])
return -EINVAL;
if (otuple.dst.protonum != rtuple.dst.protonum)
return -EINVAL;
--
1.8.3.1
--
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