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netfilter: only warn once on wrong seqadj usage
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
net
/
netfilter
/
nf_conntrack_seqadj.c
diff --git
a/net/netfilter/nf_conntrack_seqadj.c
b/net/netfilter/nf_conntrack_seqadj.c
index
17c1bcb
..
f6e2ae9
100644
(file)
--- a/
net/netfilter/nf_conntrack_seqadj.c
+++ b/
net/netfilter/nf_conntrack_seqadj.c
@@
-36,6
+36,11
@@
int nf_ct_seqadj_set(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
if (off == 0)
return 0;
+ if (unlikely(!seqadj)) {
+ WARN_ONCE(1, "Missing nfct_seqadj_ext_add() setup call\n");
+ return 0;
+ }
+
set_bit(IPS_SEQ_ADJUST_BIT, &ct->status);
spin_lock_bh(&ct->lock);