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Date: Fri, 31 Jul 2020 15:28:26 +0800 From: Xin Long <lucien.xin@...il.com> To: YueHaibing <yuehaibing@...wei.com> Cc: Steffen Klassert <steffen.klassert@...unet.com>, Herbert Xu <herbert@...dor.apana.org.au>, davem <davem@...emloft.net>, kuznet <kuznet@....inr.ac.ru>, yoshfuji <yoshfuji@...ux-ipv6.org>, Jakub Kicinski <kuba@...nel.org>, network dev <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH net-next] ip_vti: Fix unused variable warning On Fri, Jul 31, 2020 at 2:50 PM YueHaibing <yuehaibing@...wei.com> wrote: > > If CONFIG_INET_XFRM_TUNNEL is set but CONFIG_IPV6 is n, > > net/ipv4/ip_vti.c:493:27: warning: 'vti_ipip6_handler' defined but not used [-Wunused-variable] > > Signed-off-by: YueHaibing <yuehaibing@...wei.com> Fixes: 55a48c7ec75a ("ip_vti: not register vti_ipip_handler twice") Acked-by: Xin Long <lucien.xin@...il.com> > --- > net/ipv4/ip_vti.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c > index 49daaed89764..f687abb069fa 100644 > --- a/net/ipv4/ip_vti.c > +++ b/net/ipv4/ip_vti.c > @@ -490,6 +490,7 @@ static struct xfrm_tunnel vti_ipip_handler __read_mostly = { > .priority = 0, > }; > > +#if IS_ENABLED(CONFIG_IPV6) > static struct xfrm_tunnel vti_ipip6_handler __read_mostly = { > .handler = vti_rcv_tunnel, > .cb_handler = vti_rcv_cb, > @@ -497,6 +498,7 @@ static struct xfrm_tunnel vti_ipip6_handler __read_mostly = { > .priority = 0, > }; > #endif > +#endif > > static int __net_init vti_init_net(struct net *net) > { > -- > 2.17.1 > >
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