Commit 9969ca5f authored by Ilpo Järvinen's avatar Ilpo Järvinen Committed by David S. Miller
Browse files

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: default avatarIlpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: default avatarDavid 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;