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Diffstat (limited to 'target/linux/generic/patches-3.18/616-net_optimize_xfrm_calls.patch')
-rw-r--r--target/linux/generic/patches-3.18/616-net_optimize_xfrm_calls.patch12
1 files changed, 12 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.18/616-net_optimize_xfrm_calls.patch b/target/linux/generic/patches-3.18/616-net_optimize_xfrm_calls.patch
new file mode 100644
index 0000000000..a4e4157300
--- /dev/null
+++ b/target/linux/generic/patches-3.18/616-net_optimize_xfrm_calls.patch
@@ -0,0 +1,12 @@
+--- 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 (!dev_net(skb->dev)->xfrm.policy_count[XFRM_POLICY_OUT])
++ return 0;
++
+ err = xfrm_decode_session(skb, &fl, family);
+ if (err < 0)
+ return err;