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authorArnaldo Carvalho de Melo <acme@redhat.com>2007-03-10 12:47:22 -0300
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:24:38 -0700
commitc51957dafa6f960c5c6372aa3da6c8fa71c13730 (patch)
tree674537df214b57e96660ffd59e2c44616c9ea57a /net/ipv4
parent39f69c6f922fbfb51e1ff24c9e196584a79f1484 (diff)
[TCP]: Do the layer header setting in tcp_collapse relative to skb->data
That is equal to skb->head before skb_reserve, to help in the layer header changes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/tcp_input.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index fb025608594..e5d1c2c8cea 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3632,11 +3632,13 @@ tcp_collapse(struct sock *sk, struct sk_buff_head *list,
nskb = alloc_skb(copy+header, GFP_ATOMIC);
if (!nskb)
return;
+
+ nskb->mac.raw = nskb->data + (skb->mac.raw - skb->head);
+ nskb->nh.raw = nskb->data + (skb->nh.raw - skb->head);
+ nskb->h.raw = nskb->data + (skb->h.raw - skb->head);
+
skb_reserve(nskb, header);
memcpy(nskb->head, skb->head, header);
- nskb->nh.raw = nskb->head + (skb->nh.raw-skb->head);
- nskb->h.raw = nskb->head + (skb->h.raw-skb->head);
- nskb->mac.raw = nskb->head + (skb->mac.raw-skb->head);
memcpy(nskb->cb, skb->cb, sizeof(skb->cb));
TCP_SKB_CB(nskb)->seq = TCP_SKB_CB(nskb)->end_seq = start;
__skb_insert(nskb, skb->prev, skb, list);