Patch "ifb: fix oops when loading the ifb failed" has been added to the 3.4-stable tree

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This is a note to let you know that I've just added the patch titled

    ifb: fix oops when loading the ifb failed

to the 3.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     ifb-fix-oops-when-loading-the-ifb-failed.patch
and it can be found in the queue-3.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From cbe23ee3115067ce5bf47fca69e53926ea171596 Mon Sep 17 00:00:00 2001
From: dingtianhong <dingtianhong@xxxxxxxxxx>
Date: Thu, 11 Jul 2013 19:04:06 +0800
Subject: ifb: fix oops when loading the ifb failed

From: dingtianhong <dingtianhong@xxxxxxxxxx>

[ Upstream commit f2966cd5691058b8674a20766525bedeaea9cbcf ]

If __rtnl_link_register() return faild when loading the ifb, it will
take the wrong path and get oops, so fix it just like dummy.

Signed-off-by: Ding Tianhong <dingtianhong@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/ifb.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/net/ifb.c
+++ b/drivers/net/ifb.c
@@ -290,6 +290,8 @@ static int __init ifb_init_module(void)
 
 	rtnl_lock();
 	err = __rtnl_link_register(&ifb_link_ops);
+	if (err < 0)
+		goto out;
 
 	for (i = 0; i < numifbs && !err; i++) {
 		err = ifb_init_one(i);
@@ -297,6 +299,8 @@ static int __init ifb_init_module(void)
 	}
 	if (err)
 		__rtnl_link_unregister(&ifb_link_ops);
+
+out:
 	rtnl_unlock();
 
 	return err;


Patches currently in stable-queue which might be from dingtianhong@xxxxxxxxxx are

queue-3.4/dummy-fix-oops-when-loading-the-dummy-failed.patch
queue-3.4/ipv6-mcast-always-hold-idev-lock-before-mca_lock.patch
queue-3.4/ifb-fix-oops-when-loading-the-ifb-failed.patch
queue-3.4/ifb-fix-rcu_sched-self-detected-stalls.patch
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