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

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

include/linux/skbuff.h

+13 −0
Original line number Original line Diff line number Diff line
@@ -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