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-rw-r--r--net/ipv4/tcp_cong.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 04dbd7ae7c62..4d4db16e336e 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -307,6 +307,7 @@ EXPORT_SYMBOL_GPL(tcp_is_cwnd_limited);
void tcp_slow_start(struct tcp_sock *tp)
{
int cnt; /* increase in packets */
+ unsigned int delta = 0;
/* RFC3465: ABC Slow start
* Increase only after a full MSS of bytes is acked
@@ -333,9 +334,9 @@ void tcp_slow_start(struct tcp_sock *tp)
tp->snd_cwnd_cnt += cnt;
while (tp->snd_cwnd_cnt >= tp->snd_cwnd) {
tp->snd_cwnd_cnt -= tp->snd_cwnd;
- if (tp->snd_cwnd < tp->snd_cwnd_clamp)
- tp->snd_cwnd++;
+ delta++;
}
+ tp->snd_cwnd = min(tp->snd_cwnd + delta, tp->snd_cwnd_clamp);
}
EXPORT_SYMBOL_GPL(tcp_slow_start);