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[DCCP]: Use skb_set_owner_w in dccp_transmit_skb when skb->sk is NULL

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David S. Miller <davem@davemloft.net> wrote:
> One thing you can probably do for this bug is to mark data packets
> explicitly somehow, perhaps in the SKB control block DCCP already
> uses for other data.  Put some boolean in there, set it true for
> data packets.  Then change the test in dccp_transmit_skb() as
> appropriate to test the boolean flag instead of "skb_cloned(skb)".

I agree.  In fact we already have that flag, it's called skb->sk.
So here is patch to test that instead of skb_cloned().

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Ian McDonald <imcdnzl@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
This commit is contained in:
Herbert Xu 2005-10-14 16:38:49 +10:00 committed by Arnaldo Carvalho de Melo
parent ac9b9c667c
commit fda0fd6c5b
1 changed files with 2 additions and 4 deletions
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6
net/dccp/output.c
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@ -62,10 +62,8 @@ int dccp_transmit_skb(struct sock *sk, struct sk_buff *skb)
skb->h.raw = skb_push(skb, dccp_header_size);
dh = dccp_hdr(skb);
/*
* Data packets are not cloned as they are never retransmitted
*/
if (skb_cloned(skb))
if (!skb->sk)
skb_set_owner_w(skb, sk);
/* Build DCCP header and checksum it. */