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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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6
net/decnet/af_decnet.c
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@@ -1075,6 +1075,7 @@ static int dn_accept(struct socket *sock, struct socket *newsock, int flags)
int err = 0;
unsigned char type;
long timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
struct dst_entry *dst;
lock_sock(sk);
@@ -1102,8 +1103,9 @@ static int dn_accept(struct socket *sock, struct socket *newsock, int flags)
}
release_sock(sk);
dst_release(xchg(&newsk->sk_dst_cache, skb->dst));
skb->dst = NULL;
dst = skb_dst(skb);
dst_release(xchg(&newsk->sk_dst_cache, dst));
skb_dst_set(skb, NULL);
DN_SK(newsk)->state = DN_CR;
DN_SK(newsk)->addrrem = cb->src_port;