[ovs-dev] [PATCH nf-next 4/4] openvswitch: __nf_ct_l{3, 4}proto_find() always return a valid pointer
Pablo Neira Ayuso
pablo at netfilter.org
Tue May 3 10:54:23 UTC 2016
If the protocol is not natively supported, this assigns generic protocol
tracker so we can always assume a valid pointer after these calls.
Signed-off-by: Pablo Neira Ayuso <pablo at netfilter.org>
---
net/openvswitch/conntrack.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index 9741a76..9f0bc49 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -439,20 +439,12 @@ ovs_ct_find_existing(struct net *net, const struct nf_conntrack_zone *zone,
u8 protonum;
l3proto = __nf_ct_l3proto_find(l3num);
- if (!l3proto) {
- pr_debug("ovs_ct_find_existing: Can't get l3proto\n");
- return NULL;
- }
if (l3proto->get_l4proto(skb, skb_network_offset(skb), &dataoff,
&protonum) <= 0) {
pr_debug("ovs_ct_find_existing: Can't get protonum\n");
return NULL;
}
l4proto = __nf_ct_l4proto_find(l3num, protonum);
- if (!l4proto) {
- pr_debug("ovs_ct_find_existing: Can't get l4proto\n");
- return NULL;
- }
if (!nf_ct_get_tuple(skb, skb_network_offset(skb), dataoff, l3num,
protonum, net, &tuple, l3proto, l4proto)) {
pr_debug("ovs_ct_find_existing: Can't get tuple\n");
--
2.1.4
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