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[TCP]: Add tcp_for_write_queue_from_safe and use it in mtu_probe

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Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ilpo Järvinen
2007-12-02 00:48:02 +02:00
committed by David S. Miller
parent d67c58e9ae
commit 234b686070
2 changed files with 9 additions and 4 deletions
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8
net/ipv4/tcp_output.c
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@@ -1350,9 +1350,7 @@ static int tcp_mtu_probe(struct sock *sk)
tcp_insert_write_queue_before(nskb, skb, sk);
len = 0;
while (len < probe_size) {
next = tcp_write_queue_next(sk, skb);
tcp_for_write_queue_from_safe(skb, next, sk) {
copy = min_t(int, skb->len, probe_size - len);
if (nskb->ip_summed)
skb_copy_bits(skb, 0, skb_put(nskb, copy), copy);
@@ -1381,7 +1379,9 @@ static int tcp_mtu_probe(struct sock *sk)
}
len += copy;
skb = next;
if (len >= probe_size)
break;
}
tcp_init_tso_segs(sk, nskb, nskb->len);