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authorLi RongQing <roy.qing.li@gmail.com>2014-09-30 09:49:55 +0800
committerDavid S. Miller <davem@davemloft.net>2014-09-30 17:09:16 -0400
commita12a601ed163578084a48708ae376805f79a1ccf (patch)
tree9cf7ebc0f7e86bc54c72cd0e4a42895017d00c78 /net
parent3243acd37fd9b7fc4b19318eddf28b418b3b060a (diff)
tcp: Change tcp_slow_start function to return void
No caller uses the return value, so make this function return void. Signed-off-by: Li RongQing <roy.qing.li@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/tcp_cong.c4
1 files changed, 1 insertions, 3 deletions
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);