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authorIlpo Järvinen <ilpo.jarvinen@helsinki.fi>2008-12-05 22:40:47 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-05 22:40:47 -0800
commitf0bc52f38b09308fca85f3aa9300a341364fe9c6 (patch)
treebe77bd3df702eee48849c4a29fdf9d870b30809f /net/ipv4
parent61c1d052a3c7d5acba3bd535aaffa5bb5d085181 (diff)
downloadop-kernel-dev-f0bc52f38b09308fca85f3aa9300a341364fe9c6.zip
op-kernel-dev-f0bc52f38b09308fca85f3aa9300a341364fe9c6.tar.gz
tcp: force mss equality with the next skb too.
Also make if-goto forest nicer looking. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/tcp_input.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index d67b6e9..63c3ef6 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1575,11 +1575,10 @@ static struct sk_buff *tcp_shift_skb_data(struct sock *sk, struct sk_buff *skb,
goto out;
skb = tcp_write_queue_next(sk, prev);
- if (!skb_can_shift(skb))
- goto out;
- if (skb == tcp_send_head(sk))
- goto out;
- if ((TCP_SKB_CB(skb)->sacked & TCPCB_TAGBITS) != TCPCB_SACKED_ACKED)
+ if (!skb_can_shift(skb) ||
+ (skb == tcp_send_head(sk)) ||
+ ((TCP_SKB_CB(skb)->sacked & TCPCB_TAGBITS) != TCPCB_SACKED_ACKED) ||
+ (mss != tcp_shift_mss(skb)))
goto out;
len = skb->len;
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