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openvswitch: Remove incorrect WARN_ONCE(). 

ovs_ct_find_existing() issues a warning if an existing conntrack entry
classified as IP_CT_NEW is found, with the premise that this should
not happen.  However, a newly confirmed, non-expected conntrack entry
remains IP_CT_NEW as long as no reply direction traffic is seen.  This
has resulted into somewhat confusing kernel log messages.  This patch
removes this check and warning.

Fixes: 289f2253 ("openvswitch: Find existing conntrack entry after upcall.")
Suggested-by: Joe Stringer <joe@ovn.org>
Signed-off-by: Jarno Rajahalme <jarno@ovn.org>
Acked-by: Joe Stringer <joe@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Jarno Rajahalme 2016-08-01 19:36:07 -07:00 committed by David S. Miller
parent bf0f500bd0
commit bce91f8a42
1 changed files with 1 additions and 7 deletions
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8
net/openvswitch/conntrack.c
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@ -433,7 +433,6 @@ ovs_ct_find_existing(struct net *net, const struct nf_conntrack_zone *zone,
struct nf_conntrack_l4proto *l4proto;
struct nf_conntrack_tuple tuple;
struct nf_conntrack_tuple_hash *h;
enum ip_conntrack_info ctinfo;
struct nf_conn *ct;
unsigned int dataoff;
u8 protonum;
@ -458,13 +457,8 @@ ovs_ct_find_existing(struct net *net, const struct nf_conntrack_zone *zone,
ct = nf_ct_tuplehash_to_ctrack(h);
ctinfo = ovs_ct_get_info(h);
if (ctinfo == IP_CT_NEW) {
/* This should not happen. */
WARN_ONCE(1, "ovs_ct_find_existing: new packet for %p\n", ct);
}
skb->nfct = &ct->ct_general;
skb->nfctinfo = ctinfo;
skb->nfctinfo = ovs_ct_get_info(h);
return ct;
}