diff options
Diffstat (limited to 'net/ipv4/ip_output.c')
| -rw-r--r-- | net/ipv4/ip_output.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 54119d5aae8f..a621b96aed15 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -182,6 +182,7 @@ static inline int ip_finish_output2(struct sk_buff *skb) struct rtable *rt = (struct rtable *)dst; struct net_device *dev = dst->dev; unsigned int hh_len = LL_RESERVED_SPACE(dev); + struct neighbour *neigh; if (rt->rt_type == RTN_MULTICAST) { IP_UPD_PO_STATS(dev_net(dev), IPSTATS_MIB_OUTMCAST, skb->len); @@ -203,11 +204,14 @@ static inline int ip_finish_output2(struct sk_buff *skb) skb = skb2; } - if (dst->hh) - return neigh_hh_output(dst->hh, skb); - else if (dst->neighbour) - return dst->neighbour->output(skb); - + neigh = dst->neighbour; + if (neigh) { + struct hh_cache *hh = &neigh->hh; + if (hh->hh_len) + return neigh_hh_output(hh, skb); + else + return dst->neighbour->output(skb); + } if (net_ratelimit()) printk(KERN_DEBUG "ip_finish_output2: No header cache and no neighbour!\n"); kfree_skb(skb); |