[PATCH]: net: Add skb_queue_is_last().
From: David Miller <davem@davemloft.net>
Date: 2008-09-23 07:36:13
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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: David S. Miller <davem@davemloft.net> --- include/linux/skbuff.h | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 4a144e8..3a5838d 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h@@ -473,6 +473,19 @@ static inline int skb_queue_empty(const struct sk_buff_head *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: buffer to reference *
--
1.5.6.5