linux-kernel - [ 10/68] bridge: Assign rtnl_link_ops to bridge devices created via ioctl (v2)

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Date:	Thu, 12 Jul 2012 16:01:44 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Thomas Graf <tgraf@...g.ch>,
	Stephen Hemminger <shemminger@...tta.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [ 10/68] bridge: Assign rtnl_link_ops to bridge devices created via ioctl (v2)

From: Greg KH <gregkh@...uxfoundation.org>

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------


From: stephen hemminger <shemminger@...tta.com>

[ Upstream commit 149ddd83a92b02c658d6c61f3276eb6500d585e8 ]

This ensures that bridges created with brctl(8) or ioctl(2) directly
also carry IFLA_LINKINFO when dumped over netlink. This also allows
to create a bridge with ioctl(2) and delete it with RTM_DELLINK.

Signed-off-by: Thomas Graf <tgraf@...g.ch>
Signed-off-by: Stephen Hemminger <shemminger@...tta.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/bridge/br_if.c      |    1 +
 net/bridge/br_netlink.c |    2 +-
 net/bridge/br_private.h |    1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -241,6 +241,7 @@ int br_add_bridge(struct net *net, const
 		return -ENOMEM;
 
 	dev_net_set(dev, net);
+	dev->rtnl_link_ops = &br_link_ops;
 
 	res = register_netdev(dev);
 	if (res)
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -203,7 +203,7 @@ static int br_validate(struct nlattr *tb
 	return 0;
 }
 
-static struct rtnl_link_ops br_link_ops __read_mostly = {
+struct rtnl_link_ops br_link_ops __read_mostly = {
 	.kind		= "bridge",
 	.priv_size	= sizeof(struct net_bridge),
 	.setup		= br_dev_setup,
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -529,6 +529,7 @@ extern int (*br_fdb_test_addr_hook)(stru
 #endif
 
 /* br_netlink.c */
+extern struct rtnl_link_ops br_link_ops;
 extern int br_netlink_init(void);
 extern void br_netlink_fini(void);
 extern void br_ifinfo_notify(int event, struct net_bridge_port *port);


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