@@ -4635,6 +4635,7 @@ static int sky2_suspend(struct pci_dev *
del_timer_sync(&hw->watchdog_timer);
cancel_work_sync(&hw->restart_work);
+ rtnl_lock();
for (i = 0; i < hw->ports; i++) {
struct net_device *dev = hw->dev[i];
struct sky2_port *sky2 = netdev_priv(dev);
@@ -4652,6 +4653,7 @@ static int sky2_suspend(struct pci_dev *
sky2_write32(hw, B0_IMSK, 0);
napi_disable(&hw->napi);
sky2_power_aux(hw);
+ rtnl_unlock();
pci_save_state(pdev);
pci_enable_wake(pdev, pci_choose_state(pdev, state), wol);
@@ -4721,6 +4723,7 @@ static void sky2_shutdown(struct pci_dev
if (!hw)
return;
+ rtnl_lock();
del_timer_sync(&hw->watchdog_timer);
for (i = 0; i < hw->ports; i++) {
@@ -4735,6 +4738,7 @@ static void sky2_shutdown(struct pci_dev
if (wol)
sky2_power_aux(hw);
+ rtnl_unlock();
pci_enable_wake(pdev, PCI_D3hot, wol);
pci_enable_wake(pdev, PCI_D3cold, wol);
The suspend and shutdown code plays with shared state. Use consistent locking, for extra protection. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>