diff options
author | Alexey Dobriyan <adobriyan@gmail.com> | 2019-10-04 00:21:57 +0300 |
---|---|---|
committer | Steffen Klassert <steffen.klassert@secunet.com> | 2019-10-09 06:55:32 +0200 |
commit | fd1ac07f3f17fbbc2f08e3b43951bed937d86a7b (patch) | |
tree | 2c3287054759e9c68e2cfb0db28dc42887677abb | |
parent | 4361f5b6118ad77872f54f813321aa4905a7e9c1 (diff) |
xfrm: ifdef setsockopt(UDP_ENCAP_ESPINUDP/UDP_ENCAP_ESPINUDP_NON_IKE)
If IPsec is not configured, there is no reason to delay the inevitable.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
-rw-r--r-- | include/net/xfrm.h | 7 | ||||
-rw-r--r-- | net/ipv4/udp.c | 2 |
2 files changed, 2 insertions, 7 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h index aa08a7a5f6ac..dda3c025452e 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1613,13 +1613,6 @@ static inline int xfrm_user_policy(struct sock *sk, int optname, u8 __user *optv { return -ENOPROTOOPT; } - -static inline int xfrm4_udp_encap_rcv(struct sock *sk, struct sk_buff *skb) -{ - /* should not happen */ - kfree_skb(skb); - return 0; -} #endif struct dst_entry *__xfrm_dst_lookup(struct net *net, int tos, int oif, diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index cf755156a684..f1c514cb4e87 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -2520,9 +2520,11 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname, case UDP_ENCAP: switch (val) { case 0: +#ifdef CONFIG_XFRM case UDP_ENCAP_ESPINUDP: case UDP_ENCAP_ESPINUDP_NON_IKE: up->encap_rcv = xfrm4_udp_encap_rcv; +#endif /* FALLTHROUGH */ case UDP_ENCAP_L2TPINUDP: up->encap_type = val; |