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authorIlpo Järvinen <ilpo.jarvinen@helsinki.fi>2008-12-05 22:41:06 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-05 22:41:06 -0800
commit9969ca5f205988fb96461075cb4914c55cf166b5 (patch)
tree8f7c0b3102044f09f9eb85d945ce818eec19e309
parentf0bc52f38b09308fca85f3aa9300a341364fe9c6 (diff)
tcp: Fix thinko making the not-shiftable to cover S|R as well
S|R won't result in S if just SACK is received. DSACK is another story (but it is covered correctly already). Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/tcp_input.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 63c3ef6d4a1..33902f6799c 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1481,7 +1481,7 @@ static struct sk_buff *tcp_shift_skb_data(struct sock *sk, struct sk_buff *skb,
/* Normally R but no L won't result in plain S */
if (!dup_sack &&
- (TCP_SKB_CB(skb)->sacked & TCPCB_TAGBITS) == TCPCB_SACKED_RETRANS)
+ (TCP_SKB_CB(skb)->sacked & (TCPCB_LOST|TCPCB_SACKED_RETRANS)) == TCPCB_SACKED_RETRANS)
goto fallback;
if (!skb_can_shift(skb))
goto fallback;