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net: skb->dst accessors

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Define three accessors to get/set dst attached to a skb

struct dst_entry *skb_dst(const struct sk_buff *skb)

void skb_dst_set(struct sk_buff *skb, struct dst_entry *dst)

void skb_dst_drop(struct sk_buff *skb)
This one should replace occurrences of :
dst_release(skb->dst)
skb->dst = NULL;

Delete skb->dst field

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2009-06-02 05:19:30 +00:00 • committed by David S. Miller
parent 511c3f92ad
commit adf30907d6
83 changed files with 414 additions and 390 deletions
Download patch file Download diff file Expand all files Collapse all files

6
net/ipv4/ip_options.c
View file

@ -143,7 +143,7 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
__be32 addr;
memcpy(&addr, sptr+soffset-1, 4);
if (inet_addr_type(dev_net(skb->dst->dev), addr) != RTN_LOCAL) {
if (inet_addr_type(dev_net(skb_dst(skb)->dev), addr) != RTN_LOCAL) {
dopt->ts_needtime = 1;
soffset += 8;
}
@ -624,12 +624,12 @@ int ip_options_rcv_srr(struct sk_buff *skb)
memcpy(&nexthop, &optptr[srrptr-1], 4);
rt = skb_rtable(skb);
skb->dst = NULL;
skb_dst_set(skb, NULL);
err = ip_route_input(skb, nexthop, iph->saddr, iph->tos, skb->dev);
rt2 = skb_rtable(skb);
if (err || (rt2->rt_type != RTN_UNICAST && rt2->rt_type != RTN_LOCAL)) {
ip_rt_put(rt2);
skb->dst = &rt->u.dst;
skb_dst_set(skb, &rt->u.dst);
return -EINVAL;
}
ip_rt_put(rt);