Commit fc7ebb21 authored by David S. Miller's avatar David S. Miller

net: Add skb_queue_is_last().

Several bits of code want to know "is this the last SKB in
a queue", and all of them implement this by hand.

Provide an common interface to make this check.
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b5f61ab9
...@@ -472,6 +472,19 @@ static inline int skb_queue_empty(const struct sk_buff_head *list) ...@@ -472,6 +472,19 @@ static inline int skb_queue_empty(const struct sk_buff_head *list)
return list->next == (struct sk_buff *)list; return list->next == (struct sk_buff *)list;
} }
/**
* skb_queue_is_last - check if skb is the last entry in the queue
* @list: queue head
* @skb: buffer
*
* Returns true if @skb is the last buffer on the list.
*/
static inline bool skb_queue_is_last(const struct sk_buff_head *list,
const struct sk_buff *skb)
{
return (skb->next == (struct sk_buff *) list);
}
/** /**
* skb_get - reference buffer * skb_get - reference buffer
* @skb: buffer to reference * @skb: buffer to reference
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment