Commit 75c26314 authored by Florian Westphal's avatar Florian Westphal Committed by Pablo Neira Ayuso
Browse files

netfilter: nf_nat: don't bug when mapping already exists

It seems preferrable to limp along if we have a conflicting mapping,
its certainly better than a BUG().
Signed-off-by: default avatarFlorian Westphal <>
Signed-off-by: default avatarPablo Neira Ayuso <>
parent 68913a01
......@@ -416,7 +416,9 @@ nf_nat_setup_info(struct nf_conn *ct,
WARN_ON(maniptype != NF_NAT_MANIP_SRC &&
maniptype != NF_NAT_MANIP_DST);
BUG_ON(nf_nat_initialized(ct, maniptype));
if (WARN_ON(nf_nat_initialized(ct, maniptype)))
return NF_DROP;
/* What we've got will look like inverse of reply. Normally
* this is what is in the conntrack, except for prior
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