vti: Use the tunnel mark for lookup in the error handlers.

[firefly-linux-kernel-4.4.55.git] / net / ipv6 / ip6_vti.c

diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index b7c0f827140b402685cc29049cb56646471c2cf2..6cc9f9371cc57cd6b0233815a73134dddfa6207c 100644 (file)
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -511,6 +511,7 @@ static int vti6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                    u8 type, u8 code, int offset, __be32 info)
 {
        __be32 spi;
+       __u32 mark;
        struct xfrm_state *x;
        struct ip6_tnl *t;
        struct ip_esp_hdr *esph;
@@ -524,6 +525,8 @@ static int vti6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
        if (!t)
                return -1;
 
+       mark = be32_to_cpu(t->parms.o_key);
+
        switch (protocol) {
        case IPPROTO_ESP:
                esph = (struct ip_esp_hdr *)(skb->data + offset);
@@ -545,7 +548,7 @@ static int vti6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
            type != NDISC_REDIRECT)
                return 0;
 
-       x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
+       x = xfrm_state_lookup(net, mark, (const xfrm_address_t *)&iph->daddr,
                              spi, protocol, AF_INET6);
        if (!x)
                return 0;
@@ -1097,7 +1100,6 @@ static int __init vti6_tunnel_init(void)
 
        err = xfrm6_protocol_register(&vti_esp6_protocol, IPPROTO_ESP);
        if (err < 0) {
-               unregister_pernet_device(&vti6_net_ops);
                pr_err("%s: can't register vti6 protocol\n", __func__);
 
                goto out;
@@ -1106,7 +1108,6 @@ static int __init vti6_tunnel_init(void)
        err = xfrm6_protocol_register(&vti_ah6_protocol, IPPROTO_AH);
        if (err < 0) {
                xfrm6_protocol_deregister(&vti_esp6_protocol, IPPROTO_ESP);
-               unregister_pernet_device(&vti6_net_ops);
                pr_err("%s: can't register vti6 protocol\n", __func__);
 
                goto out;
@@ -1116,7 +1117,6 @@ static int __init vti6_tunnel_init(void)
        if (err < 0) {
                xfrm6_protocol_deregister(&vti_ah6_protocol, IPPROTO_AH);
                xfrm6_protocol_deregister(&vti_esp6_protocol, IPPROTO_ESP);
-               unregister_pernet_device(&vti6_net_ops);
                pr_err("%s: can't register vti6 protocol\n", __func__);
 
                goto out;