netdev - Re: [PATCH net] ipv6: sctp: fix lockdep splat in sctp_v6_get

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Message-Id: <20151207.170745.1345382498039990120.davem@davemloft.net>
Date:	Mon, 07 Dec 2015 17:07:45 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	davej@...emonkey.org.uk, netdev@...r.kernel.org
Subject: Re: [PATCH net] ipv6: sctp: fix lockdep splat in sctp_v6_get_dst()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Mon, 07 Dec 2015 08:25:21 -0800

> From: Eric Dumazet <edumazet@...gle.com>
> 
> While cooking the sctp np->opt rcu fixes, I forgot to move
> one rcu_read_unlock() after the added rcu_dereference() in
> sctp_v6_get_dst()
> 
> This gave lockdep warnings reported by Dave Jones.
> 
> Fixes: c836a8ba9386 ("ipv6: sctp: add rcu protection around np->opt")
> Reported-by: Dave Jones <davej@...emonkey.org.uk>
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied.
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