diff mbox

[net-next,v2,09/15] qlcnic: guard __vlan_find_dev_deep() by rcu_read_lock

Message ID 1344956748-2099-10-git-send-email-jiri@resnulli.us
State Changes Requested, archived
Delegated to: David Miller
Headers show

Commit Message

Jiri Pirko Aug. 14, 2012, 3:05 p.m. UTC 
rcu_read_lock was missing here

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

Patch

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,