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Message-Id: <20211104143740.32446-1-nghialm78@gmail.com>
Date:   Thu,  4 Nov 2021 21:37:40 +0700
From:   Nghia Le <nghialm78@...il.com>
To:     edumazet@...gle.com, davem@...emloft.net, yoshfuji@...ux-ipv6.org,
        dsahern@...nel.org, kuba@...nel.org, ast@...nel.org,
        daniel@...earbox.net, andrii@...nel.org, kafai@...com,
        songliubraving@...com, yhs@...com, john.fastabend@...il.com,
        kpsingh@...nel.org
Cc:     Nghia Le <nghialm78@...il.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org,
        kernel-janitors@...r.kernel.org, lukas.bulwahn@...il.com
Subject: [PATCH] ipv6: remove useless assignment to newinet in tcp_v6_syn_recv_sock()

The newinet value is initialized with inet_sk() in a block code to
handle sockets for the ETH_P_IP protocol. Along this code path,
newinet is never read. Thus, assignment to newinet is needless and
can be removed.

Signed-off-by: Nghia Le <nghialm78@...il.com>
---
 net/ipv6/tcp_ipv6.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 2cc9b0e53ad1..551fce49841d 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1263,7 +1263,6 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
 
 		inet_sk(newsk)->pinet6 = tcp_inet6_sk(newsk);
 
-		newinet = inet_sk(newsk);
 		newnp = tcp_inet6_sk(newsk);
 		newtp = tcp_sk(newsk);
 
-- 
2.25.1

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