qlcnic: fix firmware based IDC participation

Driver needs to stop participating in firmware based Inter Driver
Communication (IDC) while unloading driver

Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c

@@ -2023,6 +2023,8 @@ static void qlcnic_remove(struct pci_dev *pdev)
 		if (adapter->flags & QLCNIC_MSIX_ENABLED)
 			qlcnic_83xx_config_intrpt(adapter, 0);
 		qlcnic_83xx_free_mbx_intr(adapter);
+		qlcnic_83xx_register_nic_idc_func(adapter, 0);
+		cancel_delayed_work_sync(&adapter->idc_aen_work);
 	}
 
 	qlcnic_detach(adapter);
@@ -2180,10 +2182,6 @@ static int qlcnic_close(struct net_device *netdev)
 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
 
 	__qlcnic_down(adapter, netdev);
-	if (qlcnic_83xx_check(adapter)) {
-		qlcnic_83xx_register_nic_idc_func(adapter, 0);
-		cancel_delayed_work_sync(&adapter->idc_aen_work);
-	}
 
 	return 0;
 }
@@ -3117,6 +3115,8 @@ static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
 		if (adapter->flags & QLCNIC_MSIX_ENABLED)
 			qlcnic_83xx_config_intrpt(adapter, 0);
 		qlcnic_83xx_free_mbx_intr(adapter);
+		qlcnic_83xx_register_nic_idc_func(adapter, 0);
+		cancel_delayed_work_sync(&adapter->idc_aen_work);
 	}
 
 	qlcnic_detach(adapter);