From: Eric Dumazet <edumazet@google.com>
Date: Mon, 7 Dec 2015 16:25:21 +0000 (-0800)
Subject: ipv6: sctp: fix lockdep splat in sctp_v6_get_dst()
X-Git-Tag: v3.2.76~69
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f41bb6edb46b30f79ae7fc5d714faa607758a8d5;p=pandora-kernel.git

ipv6: sctp: fix lockdep splat in sctp_v6_get_dst()

commit 69ce6487dcd364245a3d26322fc8f4ffd1e8d947 upstream.

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@codemonkey.org.uk>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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