openwrtv3/target/linux/generic/patches-3.10/616-net_optimize_xfrm_calls.patch
Felix Fietkau 7004b79665 kernel: refresh generic 3.10 patches
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 43050
2014-10-24 20:39:36 +00:00

12 lines
319 B
Diff

--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -89,6 +89,9 @@ 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;