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authorPablo Neira Ayuso <pablo@netfilter.org>2016-05-03 12:13:29 +0300
committerPablo Neira Ayuso <pablo@netfilter.org>2016-05-05 17:39:50 +0300
commit3b78155b1b3688dbe910fecdc3e003f431b46630 (patch)
tree4fb6b1313ffc2e25acdc895c452dbb27f787ca84 /net/openvswitch/conntrack.c
parent71d8c47fc653711c41bc3282e5b0e605b3727956 (diff)
downloadlinux-3b78155b1b3688dbe910fecdc3e003f431b46630.tar.xz
openvswitch: __nf_ct_l{3,4}proto_find() always return a valid pointer
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@netfilter.org> Acked-by: Jarno Rajahalme <jrajahalme@nicira.com> Acked-by: Joe Stringer <joe@ovn.org>
Diffstat (limited to 'net/openvswitch/conntrack.c')
-rw-r--r--net/openvswitch/conntrack.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index 9741a76c7405..9f0bc49fa969 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");