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-rw-r--r--include/net/tcp.h2
-rw-r--r--net/ipv4/tcp_cong.c4
2 files changed, 2 insertions, 4 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 545a79aa4212..ba2f9d03076b 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -830,7 +830,7 @@ void tcp_get_available_congestion_control(char *buf, size_t len);
void tcp_get_allowed_congestion_control(char *buf, size_t len);
int tcp_set_allowed_congestion_control(char *allowed);
int tcp_set_congestion_control(struct sock *sk, const char *name);
-int tcp_slow_start(struct tcp_sock *tp, u32 acked);
+void tcp_slow_start(struct tcp_sock *tp, u32 acked);
void tcp_cong_avoid_ai(struct tcp_sock *tp, u32 w);
u32 tcp_reno_ssthresh(struct sock *sk);
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index a6c8a5775624..b1c5970d47a1 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -291,15 +291,13 @@ int tcp_set_congestion_control(struct sock *sk, const char *name)
* ABC caps N to 2. Slow start exits when cwnd grows over ssthresh and
* returns the leftover acks to adjust cwnd in congestion avoidance mode.
*/
-int tcp_slow_start(struct tcp_sock *tp, u32 acked)
+void tcp_slow_start(struct tcp_sock *tp, u32 acked)
{
u32 cwnd = tp->snd_cwnd + acked;
if (cwnd > tp->snd_ssthresh)
cwnd = tp->snd_ssthresh + 1;
- acked -= cwnd - tp->snd_cwnd;
tp->snd_cwnd = min(cwnd, tp->snd_cwnd_clamp);
- return acked;
}
EXPORT_SYMBOL_GPL(tcp_slow_start);