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Subject[PATCH] net/ipv4: reset mac head before call ip_tunnel_rcv()
Date
Signed-off-by: Chen Minqiang <ptpt52@gmail.com>
---
net/ipv4/ipip.c | 1 +
net/ipv6/sit.c | 1 +
2 files changed, 2 insertions(+)

diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 43adfc1641ba..ba2b5fc8910f 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -242,6 +242,7 @@ static int ipip_tunnel_rcv(struct sk_buff *skb, u8 ipproto)
if (!tun_dst)
return 0;
}
+ skb_reset_mac_header(skb);
return ip_tunnel_rcv(tunnel, skb, tpi, tun_dst, log_ecn_error);
}

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 80610899a323..44a9674d06a6 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -739,6 +739,7 @@ static int sit_tunnel_rcv(struct sk_buff *skb, u8 ipproto)
tpi = &ipip_tpi;
if (iptunnel_pull_header(skb, 0, tpi->proto, false))
goto drop;
+ skb_reset_mac_header(skb);
return ip_tunnel_rcv(tunnel, skb, tpi, NULL, log_ecn_error);
}

--
2.17.1
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