From: David Miller <davem@davemloft.net>
To: netdev@vger.kernel.org
Cc: paulus@samba.org
Subject: [PATCH 3/4] net: Add safe reverse SKB queue walkers.
Date: Thu, 20 Jan 2011 23:56:06 -0800 (PST) [thread overview]
Message-ID: <20110120.235606.191173896.davem@davemloft.net> (raw)
Signed-off-by: David S. Miller <davem@davemloft.net>
---
include/linux/skbuff.h | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index bf221d6..6e946da 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1801,6 +1801,15 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
prefetch(skb->prev), (skb != (struct sk_buff *)(queue)); \
skb = skb->prev)
+#define skb_queue_reverse_walk_safe(queue, skb, tmp) \
+ for (skb = (queue)->prev, tmp = skb->prev; \
+ skb != (struct sk_buff *)(queue); \
+ skb = tmp, tmp = skb->prev)
+
+#define skb_queue_reverse_walk_from_safe(queue, skb, tmp) \
+ for (tmp = skb->prev; \
+ skb != (struct sk_buff *)(queue); \
+ skb = tmp, tmp = skb->prev)
static inline bool skb_has_frag_list(const struct sk_buff *skb)
{
--
1.7.3.4
reply other threads:[~2011-01-21 7:55 UTC|newest]
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