netdev - [PATCH net-next 1/2] tcp: call tcp

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Message-Id: <1532746900-11710-1-git-send-email-laoar.shao@gmail.com>
Date:   Sat, 28 Jul 2018 11:01:39 +0800
From:   Yafang Shao <laoar.shao@...il.com>
To:     edumazet@...gle.com, davem@...emloft.net
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yafang Shao <laoar.shao@...il.com>
Subject: [PATCH net-next 1/2] tcp: call tcp_drop() in tcp collapse

When this SKB is dropped, we should add the counter sk_drops.
That could help us better tracking this behavior.

Signed-off-by: Yafang Shao <laoar.shao@...il.com>
---
 net/ipv4/tcp_input.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index d51fa35..90f83eb 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4802,7 +4802,7 @@ static struct sk_buff *tcp_collapse_one(struct sock *sk, struct sk_buff *skb,
 	else
 		rb_erase(&skb->rbnode, root);
 
-	__kfree_skb(skb);
+	tcp_drop(sk, skb);
 	NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPRCVCOLLAPSED);
 
 	return next;
-- 
1.8.3.1