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authorJames Morris <james.morris@microsoft.com>2018-09-04 11:35:54 -0700
committerJames Morris <james.morris@microsoft.com>2018-09-04 11:35:54 -0700
commite42f6f9be4f83c537aa81b4c6239ea94ff5b29ce (patch)
treef956a5ea0e83fc6d0df3e64681e7bbc1f201f3ee /net/ipv6/ip6_gre.c
parentsecurity/capabilities: remove check for -EINVAL (diff)
parentLinux 4.19-rc2 (diff)
downloadlinux-dev-e42f6f9be4f83c537aa81b4c6239ea94ff5b29ce.tar.xz
linux-dev-e42f6f9be4f83c537aa81b4c6239ea94ff5b29ce.zip
Merge tag 'v4.19-rc2' into next-general
Sync to Linux 4.19-rc2 for downstream developers.
Diffstat (limited to 'net/ipv6/ip6_gre.c')
-rw-r--r--net/ipv6/ip6_gre.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index c8cf2fdbb13b..18a3794b0f52 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -927,7 +927,6 @@ tx_err:
static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
struct net_device *dev)
{
- struct ipv6hdr *ipv6h = ipv6_hdr(skb);
struct ip6_tnl *t = netdev_priv(dev);
struct dst_entry *dst = skb_dst(skb);
struct net_device_stats *stats;
@@ -990,6 +989,8 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
fl6.flowi6_uid = sock_net_uid(dev_net(dev), NULL);
dsfield = key->tos;
+ if (!(tun_info->key.tun_flags & TUNNEL_ERSPAN_OPT))
+ goto tx_err;
md = ip_tunnel_info_opts(tun_info);
if (!md)
goto tx_err;
@@ -1010,6 +1011,8 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
goto tx_err;
}
} else {
+ struct ipv6hdr *ipv6h = ipv6_hdr(skb);
+
switch (skb->protocol) {
case htons(ETH_P_IP):
memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
@@ -1126,7 +1129,7 @@ static void ip6gre_tnl_link_config_route(struct ip6_tnl *t, int set_mtu,
return;
if (rt->dst.dev) {
- dev->hard_header_len = rt->dst.dev->hard_header_len +
+ dev->needed_headroom = rt->dst.dev->hard_header_len +
t_hlen;
if (set_mtu) {
@@ -1152,7 +1155,7 @@ static int ip6gre_calc_hlen(struct ip6_tnl *tunnel)
tunnel->hlen = tunnel->tun_hlen + tunnel->encap_hlen;
t_hlen = tunnel->hlen + sizeof(struct ipv6hdr);
- tunnel->dev->hard_header_len = LL_MAX_HEADER + t_hlen;
+ tunnel->dev->needed_headroom = LL_MAX_HEADER + t_hlen;
return t_hlen;
}
@@ -1822,7 +1825,7 @@ static int ip6erspan_calc_hlen(struct ip6_tnl *tunnel)
erspan_hdr_len(tunnel->parms.erspan_ver);
t_hlen = tunnel->hlen + sizeof(struct ipv6hdr);
- tunnel->dev->hard_header_len = LL_MAX_HEADER + t_hlen;
+ tunnel->dev->needed_headroom = LL_MAX_HEADER + t_hlen;
return t_hlen;
}