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net: adjust handle_macvlan to pass port struct to hook

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Now there's null check here and also again in the hook. Looking at bridge bits
which are simmilar, port structure is rcu_dereferenced right away in
handle_bridge and passed to hook. Looks nicer.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2010-05-06 01:33:53 +00:00
committed by David S. Miller
parent 10fc51b995
commit a14462f1bd
3 changed files with 11 additions and 10 deletions
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drivers/net/macvlan.c
+2 -6
View File
@@ -145,19 +145,15 @@ static void macvlan_broadcast(struct sk_buff *skb,
}
/* called under rcu_read_lock() from netif_receive_skb */
static struct sk_buff *macvlan_handle_frame(struct sk_buff *skb)
static struct sk_buff *macvlan_handle_frame(struct macvlan_port *port,
struct sk_buff *skb)
{
const struct ethhdr *eth = eth_hdr(skb);
const struct macvlan_port *port;
const struct macvlan_dev *vlan;
const struct macvlan_dev *src;
struct net_device *dev;
unsigned int len;
port = rcu_dereference(skb->dev->macvlan_port);
if (port == NULL)
return skb;
if (is_multicast_ether_addr(eth->h_dest)) {
src = macvlan_hash_lookup(port, eth->h_source);
if (!src)