netdev - [patch net-next 09/15] qlcnic: guard __vlan_find_dev_deep() by rcu_read

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Date:	Sat, 29 Dec 2012 11:38:36 +0100
From:	Jiri Pirko <jiri@...nulli.us>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, edumazet@...gle.com,
	bhutchings@...arflare.com, faisal.latif@...el.com,
	shemminger@...tta.com, fbl@...hat.com, roland@...nel.org,
	sean.hefty@...el.com, hal.rosenstock@...il.com, fubar@...ibm.com,
	andy@...yhouse.net, divy@...lsio.com, jitendra.kalsaria@...gic.com,
	sony.chacko@...gic.com, linux-driver@...gic.com, kaber@...sh.net,
	ursula.braun@...ibm.com, blaschka@...ux.vnet.ibm.com,
	schwidefsky@...ibm.com, heiko.carstens@...ibm.com,
	ebiederm@...ssion.com, joe@...ches.com, amwang@...hat.com,
	nhorman@...driver.com, john.r.fastabend@...el.com,
	pablo@...filter.org
Subject: [patch net-next 09/15] qlcnic: guard __vlan_find_dev_deep() by rcu_read_lock

rcu_read_lock was missing here

Signed-off-by: Jiri Pirko <jiri@...nulli.us>
---
 drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index d833f59..95b628f 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -2867,12 +2867,14 @@ qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
 
 	qlcnic_config_indev_addr(adapter, netdev, event);
 
+	rcu_read_lock();
 	for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
 		dev = __vlan_find_dev_deep(netdev, vid);
 		if (!dev)
 			continue;
 		qlcnic_config_indev_addr(adapter, dev, event);
 	}
+	rcu_read_unlock();
 }
 
 static int qlcnic_netdev_event(struct notifier_block *this,
-- 
1.8.0

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