[PATCH net-next v3 4/5] ip_tunnel: constify input argument of ip_tunnel_info_opts( )

[Gavin Li <gavinl@nvidia.com>]

Constify input argument(i.e. struct ip_tunnel_info *info) of
ip_tunnel_info_opts( ) so that it wouldn't be needed to W/A it each time
in each driver.

Signed-off-by: Gavin Li <gavinl@nvidia.com>
---
 include/net/ip_tunnels.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index fca357679816..32c77f149c6e 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -485,9 +485,9 @@ static inline void iptunnel_xmit_stats(struct net_device *dev, int pkt_len)
 	}
 }
 
-static inline void *ip_tunnel_info_opts(struct ip_tunnel_info *info)
+static inline void *ip_tunnel_info_opts(const struct ip_tunnel_info *info)
 {
-	return info + 1;
+	return (void *)(info + 1);
 }
 
 static inline void ip_tunnel_info_opts_get(void *to,
-- 
2.31.1