Thread (6 messages) 6 messages, 2 authors, 2016-09-13
STALE3600d
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[PATCH 3/4] netfilter: nf_nat: handle NF_DROP from nfnetlink_parse_nat_setup()

From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: 2016-09-13 09:05:32
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 

nf_nat_setup_info() returns NF_* verdicts, so convert them to error
codes that is what ctnelink expects. This has passed overlook without
having any impact since this nf_nat_setup_info() has always returned
NF_ACCEPT so far. Since 870190a9ec90 ("netfilter: nat: convert nat bysrc
hash to rhashtable"), this is problem.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/nf_nat_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index de31818..19c081e 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -807,7 +807,7 @@ nfnetlink_parse_nat_setup(struct nf_conn *ct,
 	if (err < 0)
 		return err;
 
-	return nf_nat_setup_info(ct, &range, manip);
+	return nf_nat_setup_info(ct, &range, manip) == NF_DROP ? -ENOMEM : 0;
 }
 #else
 static int
-- 
2.1.4
Other recent patches touching these files
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