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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
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8
net/xfrm/xfrm_policy.c
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@@ -2027,6 +2027,8 @@ int __xfrm_route_forward(struct sk_buff *skb, unsigned short family)
{
struct net *net = dev_net(skb->dev);
struct flowi fl;
struct dst_entry *dst;
int res;
if (xfrm_decode_session(skb, &fl, family) < 0) {
/* XXX: we should have something like FWDHDRERROR here. */
@@ -2034,7 +2036,11 @@ int __xfrm_route_forward(struct sk_buff *skb, unsigned short family)
return 0;
}
return xfrm_lookup(net, &skb->dst, &fl, NULL, 0) == 0;
dst = skb_dst(skb);
res = xfrm_lookup(net, &dst, &fl, NULL, 0) == 0;
skb_dst_set(skb, dst);
return res;
}
EXPORT_SYMBOL(__xfrm_route_forward);