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authorDavid S. Miller <davem@davemloft.net>2019-01-27 19:43:17 +0100
committerDavid S. Miller <davem@davemloft.net>2019-01-27 19:43:17 +0100
commit1d68101367a92336e633d0c3681bf8c86644e124 (patch)
tree8fdacef561481c25c71641b8fa91a5dfa0ba7f96 /net/ipv4/ip_gre.c
parentnet: lmc: remove -I. header search path (diff)
parentMerge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm (diff)
downloadlinux-1d68101367a92336e633d0c3681bf8c86644e124.tar.xz
linux-1d68101367a92336e633d0c3681bf8c86644e124.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/ipv4/ip_gre.c')
-rw-r--r--net/ipv4/ip_gre.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index cb1af42e374b..d1cef66820d3 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -268,20 +268,11 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi,
int len;
itn = net_generic(net, erspan_net_id);
- len = gre_hdr_len + sizeof(*ershdr);
-
- /* Check based hdr len */
- if (unlikely(!pskb_may_pull(skb, len)))
- return PACKET_REJECT;
iph = ip_hdr(skb);
ershdr = (struct erspan_base_hdr *)(skb->data + gre_hdr_len);
ver = ershdr->ver;
- /* The original GRE header does not have key field,
- * Use ERSPAN 10-bit session ID as key.
- */
- tpi->key = cpu_to_be32(get_session_id(ershdr));
tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex,
tpi->flags | TUNNEL_KEY,
iph->saddr, iph->daddr, tpi->key);