netfilter: nf_nat: missing condition in nf_xfrm_me_harder()

This if statement was accidentally dropped in (aaa795a netfilter:
nat: propagate errors from xfrm_me_harder()) so now it returns
unconditionally.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index 346f871..cf1c731 100644 (file)
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -90,6 +90,7 @@ int nf_xfrm_me_harder(struct sk_buff *skb, unsigned int family)
        int err;
 
        err = xfrm_decode_session(skb, &fl, family);
+       if (err < 0)
                return err;
 
        dst = skb_dst(skb);