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Commit 9969ca5f authored Dec 05, 2008 by Ilpo Järvinen Committed by David S. Miller Dec 05, 2008

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>

parent f0bc52f3

net/ipv4/tcp_input.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;