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Diffstat (limited to 'net/ipv4/ip_gre.c')
-rw-r--r--net/ipv4/ip_gre.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index bb6239169b1a..45ffd3d045d2 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -266,7 +266,7 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi,
len = gre_hdr_len + sizeof(*ershdr);
if (unlikely(!pskb_may_pull(skb, len)))
- return -ENOMEM;
+ return PACKET_REJECT;
iph = ip_hdr(skb);
ershdr = (struct erspanhdr *)(skb->data + gre_hdr_len);
@@ -1310,6 +1310,7 @@ static const struct net_device_ops erspan_netdev_ops = {
static void ipgre_tap_setup(struct net_device *dev)
{
ether_setup(dev);
+ dev->max_mtu = 0;
dev->netdev_ops = &gre_tap_netdev_ops;
dev->priv_flags &= ~IFF_TX_SKB_SHARING;
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;