Thread (4 messages) read the whole thread 4 messages, 2 authors, 2014-01-07
STALE4587d

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[PATCH 2/2] netfilter: only warn once on wrong seqadj usage

From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: 2014-01-07 22:13:39
Also in: netfilter-devel
Subsystem: netfilter, networking [general], the rest · Maintainers: Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds 

From: Jesper Dangaard Brouer <redacted>

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 db12cf274353 (netfilter: WARN about
wrong usage of sequence number adjustments)

Suggested-by: Flavio Leitner <redacted>
Suggested-by: Daniel Borkmann <redacted>
Suggested-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Jesper Dangaard Brouer <redacted>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/nf_conntrack_seqadj.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/nf_conntrack_seqadj.c b/net/netfilter/nf_conntrack_seqadj.c
index b2d38da..f6e2ae9 100644
--- a/net/netfilter/nf_conntrack_seqadj.c
+++ b/net/netfilter/nf_conntrack_seqadj.c
@@ -37,7 +37,7 @@ int nf_ct_seqadj_set(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
 		return 0;
 
 	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;
 	}
 
-- 
1.7.10.4
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