lib: netdev-vport improperly initialized route-table.

netdev-vport unregistered the routing table in its destroy
function, but registered it in its init function.  This could
cause the routing table to be unregistered when it shouldn't have
been causing segmentation faults.

Bug #4526.

diff --git a/lib/netdev-vport.c b/lib/netdev-vport.c
index 436be8c67ae1360d85e5b4a046f3cd44bbe2f286..4da44da1e757ef0c50b8e6e7c629043039ec2934 100644 (file)
--- a/lib/netdev-vport.c
+++ b/lib/netdev-vport.c
@@ -193,7 +193,6 @@ static int
 netdev_vport_init(void)
 {
     netdev_vport_tnl_iface_init();
-    route_table_register();
     return 0;
 }
 
@@ -253,6 +252,7 @@ netdev_vport_create(const struct netdev_class *netdev_class, const char *name,
         dev->options = options;
 
         *netdev_devp = &dev->netdev_dev;
+        route_table_register();
     } else {
         ofpbuf_delete(options);
     }