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[NETPOLL]: no need to store local_mac

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The local_mac is managed by the network device, no need to keep a
spare copy and all the management problems that could cause.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger
2007-11-19 19:23:29 -08:00
committed by David S. Miller
parent 5106930bd6
commit 0953864160
3 changed files with 8 additions and 13 deletions
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9
net/core/netpoll.c
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@@ -360,8 +360,8 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
eth = (struct ethhdr *) skb_push(skb, ETH_HLEN);
skb_reset_mac_header(skb);
skb->protocol = eth->h_proto = htons(ETH_P_IP);
memcpy(eth->h_source, np->local_mac, 6);
memcpy(eth->h_dest, np->remote_mac, 6);
memcpy(eth->h_source, np->dev->dev_addr, ETH_ALEN);
memcpy(eth->h_dest, np->remote_mac, ETH_ALEN);
skb->dev = np->dev;
@@ -431,7 +431,7 @@ static void arp_reply(struct sk_buff *skb)
/* Fill the device header for the ARP frame */
if (dev_hard_header(send_skb, skb->dev, ptype,
sha, np->local_mac,
sha, np->dev->dev_addr,
send_skb->len) < 0) {
kfree_skb(send_skb);
return;
@@ -737,9 +737,6 @@ int netpoll_setup(struct netpoll *np)
}
}
if (is_zero_ether_addr(np->local_mac) && ndev->dev_addr)
memcpy(np->local_mac, ndev->dev_addr, 6);
if (!np->local_ip) {
rcu_read_lock();
in_dev = __in_dev_get_rcu(ndev);