From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] xfrm: fix a rcu_read_lock() imbalance in make_blackhole
Date: Tue, 18 Sep 2012 16:30:55 -0400 (EDT)
Message-ID: <20120918.163055.1580882472532006729.davem@davemloft.net>
References: <1347957610-7422-1-git-send-email-roy.qing.li@gmail.com>
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From: roy.qing.li@gmail.com
Date: Tue, 18 Sep 2012 16:40:10 +0800

> From: Li RongQing <roy.qing.li@gmail.com>
> 
> if xfrm_policy_get_afinfo returns 0, it has already called rcu_read_unlock,
> xfrm_policy_put_afinfo should not be called again.
> 
> Signed-off-by: Li RongQing <roy.qing.li@gmail.com>

This bug exists in the 'net' tree too, where this lock is a read lock.

I've applied this patch and adjusted the commit log text to accomodate
to difference.

Thanks.