[PATCH] tcp_cubic: use memset and offsetof init

From: Yejune Deng
Date: Wed Jan 13 2021 - 23:15:54 EST


In bictcp_reset(), use memset and offsetof instead of = 0.

Signed-off-by: Yejune Deng <yejune.deng@xxxxxxxxx>
---
net/ipv4/tcp_cubic.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c
index c7bf5b2..ffcbe46 100644
--- a/net/ipv4/tcp_cubic.c
+++ b/net/ipv4/tcp_cubic.c
@@ -104,16 +104,7 @@ struct bictcp {

static inline void bictcp_reset(struct bictcp *ca)
{
- ca->cnt = 0;
- ca->last_max_cwnd = 0;
- ca->last_cwnd = 0;
- ca->last_time = 0;
- ca->bic_origin_point = 0;
- ca->bic_K = 0;
- ca->delay_min = 0;
- ca->epoch_start = 0;
- ca->ack_cnt = 0;
- ca->tcp_cwnd = 0;
+ memset(ca, 0, offsetof(struct bictcp, unused));
ca->found = 0;
}

--
1.9.1