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path: root/net/ipv6/ip6_gre.c
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Diffstat (limited to 'net/ipv6/ip6_gre.c')
-rw-r--r--net/ipv6/ip6_gre.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 7bb5446b9d73..bf4a9a084de5 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -976,6 +976,7 @@ static void ip6gre_tnl_link_config(struct ip6_tnl *t, int set_mtu)
if (t->parms.o_flags&GRE_SEQ)
addend += 4;
}
+ t->hlen = addend;
if (p->flags & IP6_TNL_F_CAP_XMIT) {
int strict = (ipv6_addr_type(&p->raddr) &
@@ -1002,8 +1003,6 @@ static void ip6gre_tnl_link_config(struct ip6_tnl *t, int set_mtu)
}
ip6_rt_put(rt);
}
-
- t->hlen = addend;
}
static int ip6gre_tnl_change(struct ip6_tnl *t,
@@ -1173,9 +1172,8 @@ done:
static int ip6gre_tunnel_change_mtu(struct net_device *dev, int new_mtu)
{
- struct ip6_tnl *tunnel = netdev_priv(dev);
if (new_mtu < 68 ||
- new_mtu > 0xFFF8 - dev->hard_header_len - tunnel->hlen)
+ new_mtu > 0xFFF8 - dev->hard_header_len)
return -EINVAL;
dev->mtu = new_mtu;
return 0;