netdev - Re: [PATCH net-next] ovpn: properly deconfigure UDP-tunnel

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Message-ID: <20250514065048.3c14a599@kernel.org>
Date: Wed, 14 May 2025 06:50:48 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Antonio Quartulli <antonio@...nvpn.net>
Cc: netdev@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni
 <pabeni@...hat.com>, Sabrina Dubroca <sd@...asysnail.net>, David Ahern
 <dsahern@...nel.org>
Subject: Re: [PATCH net-next] ovpn: properly deconfigure UDP-tunnel

On Wed, 14 May 2025 11:58:42 +0200 Antonio Quartulli wrote:
> +#if IS_ENABLED(CONFIG_IPV6)
> +	if (READ_ONCE(sk->sk_family) == PF_INET6)
> +		static_branch_dec(&udpv6_encap_needed_key);

udpv6_encap_needed_key is only exported for ipv6.ko
I think you need to correct the export, because with IPV6=y 
and UDP_TUNNEL=m we get:

ERROR: modpost: "udpv6_encap_needed_key" [net/ipv4/udp_tunnel.ko] undefined!
-- 
pw-bot: cr