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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-17 10:24:53 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-17 10:24:53 +1000
commit492b057c426e4aa747484958e18e9da29003985d (patch)
tree34e08c24618688d8bcc190523028b5f94cce0c0b /net/xfrm/xfrm_algo.c
parent313485175da221c388f6a8ecf4c30062ba9bea17 (diff)
parent300df7dc89cc276377fc020704e34875d5c473b6 (diff)
downloadblackbird-op-linux-492b057c426e4aa747484958e18e9da29003985d.tar.gz
blackbird-op-linux-492b057c426e4aa747484958e18e9da29003985d.zip
Merge commit 'origin/master' into next
Diffstat (limited to 'net/xfrm/xfrm_algo.c')
-rw-r--r--net/xfrm/xfrm_algo.c41
1 files changed, 19 insertions, 22 deletions
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 96036cf2216d..d31ccb487730 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;
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