[patch net-next 09/15] qlcnic: guard __vlan_find_dev_deep() by rcu_read_lock
From: Jiri Pirko <jiri@resnulli.us>
Date: 2012-12-30 12:00:23
Subsystem:
networking drivers, qlogic qlcnic (1/10)gb ethernet driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Shahed Shaikh, Manish Chopra, Linus Torvalds
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 --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