netdev - [PATCH] bridge: call br_netpoll_disable in br_add

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Date:	Thu, 20 Dec 2012 17:41:43 +0800
From:	Gao feng <gaofeng@...fujitsu.com>
To:	netdev@...r.kernel.org
Cc:	amwang@...hat.com, shemminger@...tta.com, davem@...emloft.net,
	Gao feng <gaofeng@...fujitsu.com>
Subject: [PATCH] bridge: call br_netpoll_disable in br_add_if

When netdev_set_master faild in br_add_if, we should
call br_netpoll_disable to do some cleanup jobs,such
as free the memory of struct netpoll which allocated
in br_netpoll_enable.

Signed-off-by: Gao feng <gaofeng@...fujitsu.com>
---
 net/bridge/br_if.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 1c8fdc3..37fe693 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -366,11 +366,11 @@ int br_add_if(struct net_bridge *br, struct net_device *dev)
 
 	err = netdev_set_master(dev, br->dev);
 	if (err)
-		goto err3;
+		goto err4;
 
 	err = netdev_rx_handler_register(dev, br_handle_frame, p);
 	if (err)
-		goto err4;
+		goto err5;
 
 	dev->priv_flags |= IFF_BRIDGE_PORT;
 
@@ -402,8 +402,10 @@ int br_add_if(struct net_bridge *br, struct net_device *dev)
 
 	return 0;
 
-err4:
+err5:
 	netdev_set_master(dev, NULL);
+err4:
+	br_netpoll_disable(p);
 err3:
 	sysfs_remove_link(br->ifobj, p->dev->name);
 err2:
-- 
1.7.7.6

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