netdev - [PATCH net-next 2/4] net: vrf: call netdev_lockdep_set

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Message-Id: <1465430127-22993-2-git-send-email-edumazet@google.com>
Date:	Wed,  8 Jun 2016 16:55:25 -0700
From:	Eric Dumazet <edumazet@...gle.com>
To:	"David S . Miller" <davem@...emloft.net>
Cc:	netdev <netdev@...r.kernel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	David Ahern <dsa@...ulusnetworks.com>,
	Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH net-next 2/4] net: vrf: call netdev_lockdep_set_classes()

In case a qdisc is used on a vrf device, we need to use different
lockdep classes to avoid false positives.

Fixes: f9eb8aea2a1e ("net_sched: transform qdisc running bit into a seqcount")
Reported-by: David Ahern <dsa@...ulusnetworks.com>
Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 drivers/net/vrf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 1b214ea4619a..ee6bc1c5c1ce 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -657,7 +657,7 @@ static int vrf_dev_init(struct net_device *dev)
 
 	/* similarly, oper state is irrelevant; set to up to avoid confusion */
 	dev->operstate = IF_OPER_UP;
-
+	netdev_lockdep_set_classes(dev);
 	return 0;
 
 out_rth:
-- 
2.8.0.rc3.226.g39d4020