struct igb_adapter *adapter = netdev_priv(netdev);
        struct e1000_hw *hw = &adapter->hw;
 
-       /* flush_scheduled work may reschedule our watchdog task, so
-        * explicitly disable watchdog tasks from being rescheduled  */
+       /*
+        * The watchdog timer may be rescheduled, so explicitly
+        * disable watchdog from being rescheduled.
+        */
        set_bit(__IGB_DOWN, &adapter->state);
        del_timer_sync(&adapter->watchdog_timer);
        del_timer_sync(&adapter->phy_info_timer);
 
-       flush_scheduled_work();
+       cancel_work_sync(&adapter->reset_task);
+       cancel_work_sync(&adapter->watchdog_task);
 
 #ifdef CONFIG_IGB_DCA
        if (adapter->flags & IGB_FLAG_DCA_ENABLED) {
 
        struct e1000_hw *hw = &adapter->hw;
 
        /*
-        * flush_scheduled work may reschedule our watchdog task, so
-        * explicitly disable watchdog tasks from being rescheduled
+        * The watchdog timer may be rescheduled, so explicitly
+        * disable it from being rescheduled.
         */
        set_bit(__IGBVF_DOWN, &adapter->state);
        del_timer_sync(&adapter->watchdog_timer);
 
-       flush_scheduled_work();
+       cancel_work_sync(&adapter->reset_task);
+       cancel_work_sync(&adapter->watchdog_task);
 
        unregister_netdev(netdev);
 
 
        struct net_device *netdev = adapter->netdev;
 
        set_bit(__IXGBE_DOWN, &adapter->state);
-       /* clear the module not found bit to make sure the worker won't
-        * reschedule
+
+       /*
+        * The timers may be rescheduled, so explicitly disable them
+        * from being rescheduled.
         */
        clear_bit(__IXGBE_SFP_MODULE_NOT_FOUND, &adapter->state);
        del_timer_sync(&adapter->watchdog_timer);
-
        del_timer_sync(&adapter->sfp_timer);
+
        cancel_work_sync(&adapter->watchdog_task);
        cancel_work_sync(&adapter->sfp_task);
        cancel_work_sync(&adapter->multispeed_fiber_task);
        if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE ||
            adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)
                cancel_work_sync(&adapter->fdir_reinit_task);
-       flush_scheduled_work();
+       if (adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE)
+               cancel_work_sync(&adapter->check_overtemp_task);
 
 #ifdef CONFIG_IXGBE_DCA
        if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) {