commit fb825a550a1af75323cee9d62d6fb818384c8c95
author Pravin B Shelar <pshelar@nicira.com> Fri Jun 28 16:07:40 2013 -0700
committer David S. Miller <davem@davemloft.net> Mon Jul 01 13:19:43 2013 -0700
tree 5c661cbf3ca2b5e0dda8135c79ff52a451c403ee
parent 7ec5689461989fd80f1cf82ae084f5d50a5e63ee

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>

net/openvswitch/vport-gre.c

diff --git a/net/openvswitch/vport-gre.c b/net/openvswitch/vport-gre.c
index 943e5c4..493e977 100644
--- a/net/openvswitch/vport-gre.c
+++ b/net/openvswitch/vport-gre.c
@@ -16,7 +16,7 @@
  * 02110-1301, USA
  */
 
-#if IS_ENABLED(CONFIG_NET_IPGRE_DEMUX)
+#ifdef CONFIG_OPENVSWITCH_GRE
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/if.h>
@@ -271,4 +271,5 @@
 	.get_name	= gre_get_name,
 	.send		= gre_tnl_send,
 };
-#endif
+
+#endif /* OPENVSWITCH_GRE */