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authorEric Dumazet <eric.dumazet@gmail.com>2009-06-02 05:19:30 +0000
committerDavid S. Miller <davem@davemloft.net>2009-06-03 02:51:04 -0700
commitadf30907d63893e4208dfe3f5c88ae12bc2f25d5 (patch)
tree0f07542bb95de2ad537540868aba6cf87a86e17d /net/xfrm/xfrm_policy.c
parent511c3f92ad5b6d9f8f6464be1b4f85f0422be91a (diff)
downloadkernel-adf30907d63893e4208dfe3f5c88ae12bc2f25d5.tar.gz
net: skb->dst accessors
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>
Diffstat (limited to 'net/xfrm/xfrm_policy.c')
-rw-r--r--net/xfrm/xfrm_policy.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 9c068ab3a834..cb81ca35b0d6 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -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);