openvswitch: Add Kconfig dependency on GRE-DEMUX.
Openvswitch uses function from NET_IPGRE_DEMUX module.
Add Kconfig dependency to fix following compilation errors:
http://marc.info/?l=linux-netdev&m=137244035226634
CC: Jesse Gross <jesse@nicira.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Pravin Shelar <pshelar@nicira.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index ba81294..d4c7fa0 100644
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -39,7 +39,7 @@
&ovs_netdev_vport_ops,
&ovs_internal_vport_ops,
-#if IS_ENABLED(CONFIG_NET_IPGRE_DEMUX)
+#ifdef CONFIG_OPENVSWITCH_GRE
&ovs_gre_vport_ops,
#endif
};