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	Mon, 13 Jul 2026 15:49:59 +0200
Date: Mon, 13 Jul 2026 15:49:59 +0200
From: David 'equinox' Lamparter <equinox@diac24.net>
To: netdev@vger.kernel.org, mptcp@lists.linux.dev
Cc: Matthieu Baerts <matttbe@kernel.org>,
	Mat Martineau <martineau@kernel.org>,
	Geliang Tang <geliang@kernel.org>
Subject: Re: [PATCH net-next] mptcp: sockopt: implement IPV6_TCLASS
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On Mon, Jul 13, 2026 at 09:24:52PM +0800, kernel test robot wrote:
>    sparc-linux-ld: net/mptcp/sockopt.o: in function `mptcp_setsockopt_v6':
> >> sockopt.c:(.text+0x908): undefined reference to `ipv6_setsockopt'

Oops.  Forgot IPv6 can still be disabled.  v2 in a few minutes.