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dev: move skb_scrub_packet() after eth_type_trans()

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skb_scrub_packet() was called before eth_type_trans() to let eth_type_trans()
set pkt_type.

In fact, we should force pkt_type to PACKET_HOST, so move the call after
eth_type_trans().

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2013-08-13 17:51:09 +02:00 committed by David S. Miller
parent fc4eba58b4
commit 64261f230a
2 changed files with 7 additions and 6 deletions
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6
net/core/dev.c
View File

@ -1691,13 +1691,13 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb)
kfree_skb(skb);
return NET_RX_DROP;
}
skb_scrub_packet(skb);
skb->protocol = eth_type_trans(skb, dev);
/* eth_type_trans() can set pkt_type.
* clear pkt_type _after_ calling eth_type_trans()
* call skb_scrub_packet() after it to clear pkt_type _after_ calling
* eth_type_trans().
*/
skb->pkt_type = PACKET_HOST;
skb_scrub_packet(skb);
return netif_rx(skb);
}

7
net/ipv4/ip_tunnel.c
View File

@ -454,15 +454,16 @@ int ip_tunnel_rcv(struct ip_tunnel *tunnel, struct sk_buff *skb,
tstats->rx_bytes += skb->len;
u64_stats_update_end(&tstats->syncp);
if (tunnel->net != dev_net(tunnel->dev))
skb_scrub_packet(skb);
if (tunnel->dev->type == ARPHRD_ETHER) {
skb->protocol = eth_type_trans(skb, tunnel->dev);
skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN);
} else {
skb->dev = tunnel->dev;
}
if (tunnel->net != dev_net(tunnel->dev))
skb_scrub_packet(skb);
gro_cells_receive(&tunnel->gro_cells, skb);
return 0;