net: mpls: make function ipgre_mpls_encap_hlen static

The function ipgre_mpls_encap_hlen is local to the source and
does not need to be in global scope, so make it static.

Cleans up sparse warning:
symbol 'ipgre_mpls_encap_hlen' was not declared. Should it be static?

Fixes: bdc476413d ("ip_tunnel: add mpls over gre support")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Colin Ian King 2017-10-11 10:53:28 +01:00 committed by David S. Miller
parent 1a37b770cf
commit 14c68c43b7

View File

@ -41,7 +41,7 @@ static int label_limit = (1 << 20) - 1;
static int ttl_max = 255;
#if IS_ENABLED(CONFIG_NET_IP_TUNNEL)
size_t ipgre_mpls_encap_hlen(struct ip_tunnel_encap *e)
static size_t ipgre_mpls_encap_hlen(struct ip_tunnel_encap *e)
{
return sizeof(struct mpls_shim_hdr);
}