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Diffstat (limited to 'net/ipv4/ip_gre.c')
-rw-r--r--net/ipv4/ip_gre.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 6ec670fbbbdd..45d97e9b2759 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -261,6 +261,7 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi,
struct ip_tunnel_net *itn;
struct ip_tunnel *tunnel;
const struct iphdr *iph;
+ struct erspan_md2 *md2;
int ver;
int len;
@@ -313,21 +314,14 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi,
return PACKET_REJECT;
md = ip_tunnel_info_opts(&tun_dst->u.tun_info);
- memcpy(md, pkt_md, sizeof(*md));
md->version = ver;
+ md2 = &md->u.md2;
+ memcpy(md2, pkt_md, ver == 1 ? ERSPAN_V1_MDSIZE :
+ ERSPAN_V2_MDSIZE);
info = &tun_dst->u.tun_info;
info->key.tun_flags |= TUNNEL_ERSPAN_OPT;
info->options_len = sizeof(*md);
- } else {
- tunnel->erspan_ver = ver;
- if (ver == 1) {
- tunnel->index = ntohl(pkt_md->u.index);
- } else {
- tunnel->dir = pkt_md->u.md2.dir;
- tunnel->hwid = get_hwid(&pkt_md->u.md2);
- }
-
}
skb_reset_mac_header(skb);