[SKB]: __skb_queue_tail = __skb_insert before

This expresses __skb_queue_tail() in terms of __skb_insert(),
using __skb_insert_before() as auxiliary function.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gerrit Renker 2008-04-14 00:05:28 -07:00 committed by David S. Miller
parent 7de6c03336
commit f5572855ec

View file

@ -700,6 +700,13 @@ static inline void __skb_queue_after(struct sk_buff_head *list,
extern void skb_append(struct sk_buff *old, struct sk_buff *newsk,
struct sk_buff_head *list);
static inline void __skb_queue_before(struct sk_buff_head *list,
struct sk_buff *next,
struct sk_buff *newsk)
{
__skb_insert(newsk, next->prev, next, list);
}
/**
* __skb_queue_head - queue a buffer at the list head
* @list: list to use
@ -731,14 +738,7 @@ extern void skb_queue_tail(struct sk_buff_head *list, struct sk_buff *newsk);
static inline void __skb_queue_tail(struct sk_buff_head *list,
struct sk_buff *newsk)
{
struct sk_buff *prev, *next;
list->qlen++;
next = (struct sk_buff *)list;
prev = next->prev;
newsk->next = next;
newsk->prev = prev;
next->prev = prev->next = newsk;
__skb_queue_before(list, (struct sk_buff *)list, newsk);
}
/*