diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2007-03-10 16:47:22 +0100 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-26 07:24:38 +0200 |
| commit | c51957dafa6f960c5c6372aa3da6c8fa71c13730 (patch) | |
| tree | 674537df214b57e96660ffd59e2c44616c9ea57a | |
| parent | [SK_BUFF] xfrm: Use skb_set_mac_header in the memmove cases (diff) | |
| download | linux-c51957dafa6f960c5c6372aa3da6c8fa71c13730.tar.xz linux-c51957dafa6f960c5c6372aa3da6c8fa71c13730.zip | |
[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>
| -rw-r--r-- | net/ipv4/tcp_input.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index fb0256085948..e5d1c2c8cea7 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); |