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net: xfrm: use skb_gso_validate_network_len() to check gso sizes

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Replace skb_gso_network_seglen() with
skb_gso_validate_network_len(), as it considers the GSO_BY_FRAGS
case.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Axtens 2018-03-01 17:13:39 +11:00 committed by David S. Miller
parent ee78bbef8d
commit 80f5974d15
2 changed files with 3 additions and 2 deletions
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3
net/ipv4/xfrm4_output.c
View File

@ -30,7 +30,8 @@ static int xfrm4_tunnel_check_size(struct sk_buff *skb)
mtu = dst_mtu(skb_dst(skb));
if ((!skb_is_gso(skb) && skb->len > mtu) ||
(skb_is_gso(skb) && skb_gso_network_seglen(skb) > ip_skb_dst_mtu(skb->sk, skb))) {
(skb_is_gso(skb) &&
!skb_gso_validate_network_len(skb, ip_skb_dst_mtu(skb->sk, skb)))) {
skb->protocol = htons(ETH_P_IP);
if (skb->sk)

2
net/ipv6/xfrm6_output.c
View File

@ -82,7 +82,7 @@ static int xfrm6_tunnel_check_size(struct sk_buff *skb)
if ((!skb_is_gso(skb) && skb->len > mtu) ||
(skb_is_gso(skb) &&
skb_gso_network_seglen(skb) > ip6_skb_dst_mtu(skb))) {
!skb_gso_validate_network_len(skb, ip6_skb_dst_mtu(skb)))) {
skb->dev = dst->dev;
skb->protocol = htons(ETH_P_IPV6);