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Message-Id: <20090609.050230.264288634.davem@davemloft.net>
Date: Tue, 09 Jun 2009 05:02:30 -0700 (PDT)
From: David Miller <davem@...emloft.net>
To: netdev@...r.kernel.org
Subject: [PATCH 14/15]: xfrm: Use frag list abstraction interfaces.
Signed-off-by: David S. Miller <davem@...emloft.net>
---
net/xfrm/xfrm_algo.c | 41 +++++++++++++++++++----------------------
1 files changed, 19 insertions(+), 22 deletions(-)
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 96036cf..d31ccb4 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -696,8 +696,9 @@ int skb_icv_walk(const struct sk_buff *skb, struct hash_desc *desc,
{
int start = skb_headlen(skb);
int i, copy = start - offset;
- int err;
+ struct sk_buff *frag_iter;
struct scatterlist sg;
+ int err;
/* Checksum header. */
if (copy > 0) {
@@ -742,28 +743,24 @@ int skb_icv_walk(const struct sk_buff *skb, struct hash_desc *desc,
start = end;
}
- if (skb_shinfo(skb)->frag_list) {
- struct sk_buff *list = skb_shinfo(skb)->frag_list;
-
- for (; list; list = list->next) {
- int end;
-
- WARN_ON(start > offset + len);
-
- end = start + list->len;
- if ((copy = end - offset) > 0) {
- if (copy > len)
- copy = len;
- err = skb_icv_walk(list, desc, offset-start,
- copy, icv_update);
- if (unlikely(err))
- return err;
- if ((len -= copy) == 0)
- return 0;
- offset += copy;
- }
- start = end;
+ skb_walk_frags(skb, frag_iter) {
+ int end;
+
+ WARN_ON(start > offset + len);
+
+ end = start + frag_iter->len;
+ if ((copy = end - offset) > 0) {
+ if (copy > len)
+ copy = len;
+ err = skb_icv_walk(frag_iter, desc, offset-start,
+ copy, icv_update);
+ if (unlikely(err))
+ return err;
+ if ((len -= copy) == 0)
+ return 0;
+ offset += copy;
}
+ start = end;
}
BUG_ON(len);
return 0;
--
1.6.3.2
--
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