netdev - Re: [PATCH net-next] tcp: take care of SYN_RECV sockets in tcp_v4_send_ack() and tcp_v6_send

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Message-Id: <20190610.150450.1486548651691855934.davem@davemloft.net>
Date:   Mon, 10 Jun 2019 15:04:50 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        jmaxwell37@...il.com
Subject: Re: [PATCH net-next] tcp: take care of SYN_RECV sockets in
 tcp_v4_send_ack() and tcp_v6_send_response()

From: Eric Dumazet <edumazet@...gle.com>
Date: Mon, 10 Jun 2019 14:45:43 -0700

> Using sk_to_full_sk() should get back to the listener socket.

net/ipv6/tcp_ipv6.c: In function ‘tcp_v6_send_response’:
net/ipv6/tcp_ipv6.c:887:22: warning: passing argument 1 of ‘sk_to_full_sk’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]