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freifunkist-firmware/target/linux/generic/patches-4.3/616-net_optimize_xfrm_calls...

12 lines
331 B

--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -90,6 +90,9 @@ int nf_xfrm_me_harder(struct sk_buff *sk
struct dst_entry *dst;
int err;
+ if (skb->dev && !dev_net(skb->dev)->xfrm.policy_count[XFRM_POLICY_OUT])
+ return 0;
+
err = xfrm_decode_session(skb, &fl, family);
if (err < 0)
return err;