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[NET]: Wrap netdevice hardware header creation.

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Add inline for common usage of hardware header creation, and
fix bug in IPV6 mcast where the assumption about negative return is
an errno. Negative return from hard_header means not enough space
was available,(ie -N bytes).

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
2007-10-09 01:36:32 -07:00
committed by David S. Miller
parent 4c94f8c0c9
commit 0c4e85813d
19 changed files with 63 additions and 70 deletions
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3
net/decnet/dn_neigh.c
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@@ -211,7 +211,8 @@ static int dn_neigh_output_packet(struct sk_buff *skb)
char mac_addr[ETH_ALEN];
dn_dn2eth(mac_addr, rt->rt_local_src);
if (!dev->hard_header || dev->hard_header(skb, dev, ntohs(skb->protocol), neigh->ha, mac_addr, skb->len) >= 0)
if (dev_hard_header(skb, dev, ntohs(skb->protocol), neigh->ha,
mac_addr, skb->len) >= 0)
return neigh->ops->queue_xmit(skb);
if (net_ratelimit())