Commit cb83199a authored by David S. Miller's avatar David S. Miller
Browse files

[TCP]: Do not call tcp_tso_acked() if no work to do. 



In tcp_clean_rtx_queue(), if the TSO packet is not even partially
acked, do not waste time calling tcp_tso_acked().

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a5647696

net/ipv4/tcp_input.c

+2 −1
Original line number Diff line number Diff line
@@ -2038,7 +2038,8 @@ static int tcp_clean_rtx_queue(struct sock *sk, __s32 *seq_rtt_p, s32 *seq_usrtt 
		 * the other end.

		 */

		if (after(scb->end_seq, tp->snd_una)) {

			if (tcp_skb_pcount(skb) > 1)

			if (tcp_skb_pcount(skb) > 1 &&

			    after(tp->snd_una, scb->seq))

				acked |= tcp_tso_acked(sk, skb,

						       now, &seq_rtt);

			break;