Commit f2661adc authored by Jesper Dangaard Brouer's avatar Jesper Dangaard Brouer Committed by Pablo Neira Ayuso

netfilter: only warn once on wrong seqadj usage

Avoid potentially spamming the kernel log with WARN splash messages
when catching wrong usage of seqadj, by simply using WARN_ONCE.

This is a followup to commit db12cf27 (netfilter: WARN about
wrong usage of sequence number adjustments)
Suggested-by: default avatarFlavio Leitner <fbl@redhat.com>
Suggested-by: default avatarDaniel Borkmann <dborkman@redhat.com>
Suggested-by: default avatarFlorian Westphal <fw@strlen.de>
Signed-off-by: default avatarJesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent 2690d97a
...@@ -37,7 +37,7 @@ int nf_ct_seqadj_set(struct nf_conn *ct, enum ip_conntrack_info ctinfo, ...@@ -37,7 +37,7 @@ int nf_ct_seqadj_set(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
return 0; return 0;
if (unlikely(!seqadj)) { if (unlikely(!seqadj)) {
WARN(1, "Wrong seqadj usage, missing nfct_seqadj_ext_add()\n"); WARN_ONCE(1, "Missing nfct_seqadj_ext_add() setup call\n");
return 0; return 0;
} }
......
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