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-rw-r--r--net/ipv4/tcp_lp.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ipv4/tcp_lp.c b/net/ipv4/tcp_lp.c
index d6fb6c067af4..ef3122abb373 100644
--- a/net/ipv4/tcp_lp.c
+++ b/net/ipv4/tcp_lp.c
@@ -264,18 +264,19 @@ static void tcp_lp_pkts_acked(struct sock *sk, const struct ack_sample *sample)
{
struct tcp_sock *tp = tcp_sk(sk);
struct lp *lp = inet_csk_ca(sk);
+ u32 now = tcp_time_stamp;
u32 delta;
if (sample->rtt_us > 0)
tcp_lp_rtt_sample(sk, sample->rtt_us);
/* calc inference */
- delta = tcp_time_stamp - tp->rx_opt.rcv_tsecr;
+ delta = now - tp->rx_opt.rcv_tsecr;
if ((s32)delta > 0)
lp->inference = 3 * delta;
/* test if within inference */
- if (lp->last_drop && (tcp_time_stamp - lp->last_drop < lp->inference))
+ if (lp->last_drop && (now - lp->last_drop < lp->inference))
lp->flag |= LP_WITHIN_INF;
else
lp->flag &= ~LP_WITHIN_INF;
@@ -312,7 +313,7 @@ static void tcp_lp_pkts_acked(struct sock *sk, const struct ack_sample *sample)
tp->snd_cwnd = max(tp->snd_cwnd >> 1U, 1U);
/* record this drop time */
- lp->last_drop = tcp_time_stamp;
+ lp->last_drop = now;
}
static struct tcp_congestion_ops tcp_lp __read_mostly = {