linux-kernel - [patch net-next v2 09/15] qlcnic: guard __vlan_find_dev_deep() by rcu_read

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Message-Id: <1344956748-2099-10-git-send-email-jiri@resnulli.us>
Date:	Tue, 14 Aug 2012 17:05:42 +0200
From:	Jiri Pirko <jiri@...nulli.us>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, edumazet@...gle.com, faisal.latif@...el.com,
	roland@...nel.org, sean.hefty@...el.com, hal.rosenstock@...il.com,
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	jitendra.kalsaria@...gic.com, sony.chacko@...gic.com,
	linux-driver@...gic.com, kaber@...sh.net, ursula.braun@...ibm.com,
	blaschka@...ux.vnet.ibm.com, linux390@...ibm.com,
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	therbert@...gle.com, xiyou.wangcong@...il.com, joe@...ches.com,
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	linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-s390@...r.kernel.org, bridge@...ts.linux-foundation.org,
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Subject: [patch net-next v2 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 212c121..9eadf17 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -4425,12 +4425,14 @@ 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,
-- 
1.7.10.4

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