[PATCH 07/14] netfilter: nf_flow_table: fix checksum when handling DNAT

[Pablo Neira Ayuso]

From: Felix Fietkau <n...@nbd.name>

Add a missing call to csum_replace4 like on SNAT.

Signed-off-by: Felix Fietkau <n...@nbd.name>
Signed-off-by: Pablo Neira Ayuso <pa...@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