netdev - [PATCH 1/8] ip_vti: Fix unused variable warning

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Date:   Mon, 28 Sep 2020 10:24:43 +0200
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     David Miller <davem@...emloft.net>
CC:     Herbert Xu <herbert@...dor.apana.org.au>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        <netdev@...r.kernel.org>
Subject: [PATCH 1/8] ip_vti: Fix unused variable warning

From: YueHaibing <yuehaibing@...wei.com>

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>
Signed-off-by: Steffen Klassert <steffen.klassert@...unet.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