Thread (16 messages) 16 messages, 2 authors, 2018-03-03
STALE3071d
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[PATCH 07/14] netfilter: nf_flow_table: fix checksum when handling DNAT

From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: 2018-03-02 20:33:16
Subsystem: networking [general], the rest · Maintainers: "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds 

From: Felix Fietkau <nbd@nbd.name>

Add a missing call to csum_replace4 like on SNAT.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/ipv4/netfilter/nf_flow_table_ipv4.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ipv4/netfilter/nf_flow_table_ipv4.c b/net/ipv4/netfilter/nf_flow_table_ipv4.c
index 25d2975da156..282b9cc4fe82 100644
--- a/net/ipv4/netfilter/nf_flow_table_ipv4.c
+++ b/net/ipv4/netfilter/nf_flow_table_ipv4.c
@@ -111,6 +111,7 @@ static int nf_flow_dnat_ip(const struct flow_offload *flow, struct sk_buff *skb,
 	default:
 		return -1;
 	}
+	csum_replace4(&iph->check, addr, new_addr);
 
 	return nf_flow_nat_ip_l4proto(skb, iph, thoff, addr, new_addr);
 }
-- 
2.11.0
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