/*
- * Copyright (c) 2007-2011 Nicira Networks.
+ * Copyright (c) 2007-2012 Nicira, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
int ovs_dp_sysfs_add_if(struct vport *p)
{
struct datapath *dp = p->dp;
- struct vport *local_port = rtnl_dereference(dp->ports[OVSP_LOCAL]);
+ struct vport *local_port = ovs_vport_rtnl(dp, OVSP_LOCAL);
struct brport_attribute **a;
int err;
if (!p->ops->get_kobj)
return -ENOENT;
+#ifdef CONFIG_NET_NS
+ /* Due to bug in 2.6.32 kernel, sysfs_create_group() could panic
+ * in other namespace than init_net. Following check is to avoid it. */
+
+ if (!p->kobj.sd)
+ return -ENOENT;
+#endif
+
err = kobject_add(&p->kobj, p->ops->get_kobj(p),
SYSFS_BRIDGE_PORT_ATTR);
if (err)