From 43c00a75d205ffee165c40f37edb1d2173dea7ea Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Thu, 3 Jan 2013 22:48:57 +0000 Subject: [PATCH] qlcnic: guard __vlan_find_dev_deep() by rcu_read_lock rcu_read_lock was missing here Signed-off-by: Jiri Pirko Acked-by: Sony Chacko Signed-off-by: David S. Miller --- 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 137ca13710af..3655ca2de525 100644 --- 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, -- 2.20.1