From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [Patch net] ipv6,mcast: always hold idev->lock before mca_lock
Date: Wed, 08 May 2013 13:16:08 -0700 (PDT)
Message-ID: <20130508.131608.2126756346585157464.davem@davemloft.net>
References: <1367998914-26423-1-git-send-email-amwang@redhat.com>
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Cc: netdev@vger.kernel.org, dingtianhong@huawei.com,
	yoshfuji@linux-ipv6.org
To: amwang@redhat.com
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From: Cong Wang <amwang@redhat.com>
Date: Wed,  8 May 2013 15:41:54 +0800

> dingtianhong reported the following deadlock detected by lockdep:
 ...
> Reported-by: dingtianhong <dingtianhong@huawei.com>
> Cc: dingtianhong <dingtianhong@huawei.com>
> Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> 
> Cc: David S. Miller <davem@davemloft.net>
> Signed-off-by: Cong Wang <amwang@redhat.com>

I'm waiting for testing validation of this patch.