netdev - Re: [PATCH ipsec-next 03/10] tunnel6: add tunnel6_input

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Date:   Wed, 17 Jun 2020 09:19:57 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Xin Long <lucien.xin@...il.com>
Cc:     netdev@...r.kernel.org,
        Steffen Klassert <steffen.klassert@...unet.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Sabrina Dubroca <sd@...asysnail.net>
Subject: Re: [PATCH ipsec-next 03/10] tunnel6: add tunnel6_input_afinfo for
 ipip and ipv6 tunnels

On Wed, 17 Jun 2020 01:36:28 +0800 Xin Long wrote:
> This patch is to register a callback function tunnel6_rcv_cb with
> is_ipip set in a xfrm_input_afinfo object for tunnel6 and tunnel46.
> 
> It will be called by xfrm_rcv_cb() from xfrm_input() when family
> is AF_INET6 and proto is IPPROTO_IPIP or IPPROTO_IPV6.
> 
> Signed-off-by: Xin Long <lucien.xin@...il.com>

net/ipv6/tunnel6.c:163:14: warning: incorrect type in assignment (different address spaces)
net/ipv6/tunnel6.c:163:14:    expected struct xfrm6_tunnel *head
net/ipv6/tunnel6.c:163:14:    got struct xfrm6_tunnel [noderef] <asn:4> *
net/ipv6/tunnel6.c:165:9: error: incompatible types in comparison expression (different address spaces):
net/ipv6/tunnel6.c:165:9:    struct xfrm6_tunnel [noderef] <asn:4> *
net/ipv6/tunnel6.c:165:9:    struct xfrm6_tunnel *