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authorSean Paul <seanpaul@chromium.org>2018-04-16 10:47:13 -0400
committerSean Paul <seanpaul@chromium.org>2018-04-16 10:47:13 -0400
commit8089f9f5a32938ddefb1767b8ee14bb7996e5e2f (patch)
treec6c8924fda51c7f54bebffa63a41ae15954995bf /net/ipv6/ip6_gre.c
parentc0db1b677e1d584fab5d7ac76a32e1c0157542e0 (diff)
parenta10beabba213924d876f2d10ca9351aeab93f58a (diff)
downloadlinux-8089f9f5a32938ddefb1767b8ee14bb7996e5e2f.tar.gz
Merge airlied/drm-next into drm-misc-fixes
Fast forwarding -fixes for 4.17. Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'net/ipv6/ip6_gre.c')
-rw-r--r--net/ipv6/ip6_gre.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 3c353125546d..1bbd0930063e 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -126,7 +126,8 @@ static struct ip6_tnl *ip6gre_tunnel_lookup(struct net_device *dev,
struct ip6_tnl *t, *cand = NULL;
struct ip6gre_net *ign = net_generic(net, ip6gre_net_id);
int dev_type = (gre_proto == htons(ETH_P_TEB) ||
- gre_proto == htons(ETH_P_ERSPAN)) ?
+ gre_proto == htons(ETH_P_ERSPAN) ||
+ gre_proto == htons(ETH_P_ERSPAN2)) ?
ARPHRD_ETHER : ARPHRD_IP6GRE;
int score, cand_score = 4;
@@ -902,6 +903,9 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
truncate = true;
}
+ if (skb_cow_head(skb, dev->needed_headroom))
+ goto tx_err;
+
t->parms.o_flags &= ~TUNNEL_KEY;
IPCB(skb)->flags = 0;
@@ -944,6 +948,8 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
md->u.md2.dir,
get_hwid(&md->u.md2),
truncate, false);
+ } else {
+ goto tx_err;
}
} else {
switch (skb->protocol) {