qlcnic: guard __vlan_find_dev_deep() by rcu_read_lock

[pandora-kernel.git] / drivers / net / ethernet / qlogic / qlcnic / qlcnic_main.c

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 137ca13..3655ca2 100644 (file)
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -3186,12 +3186,14 @@ void 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,