ixgbevf: restore hw_addr on resume or error

Restore adapter->hw.hw_addr after handling an error, or a resume
operation to make sure we can access the registers.
Signed-off-by: NEmil Tantilov <emil.s.tantilov@intel.com>
Tested-by: NAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c

@@ -3851,6 +3851,8 @@ static int ixgbevf_resume(struct pci_dev *pdev)
 		dev_err(&pdev->dev, "Cannot enable PCI device from suspend\n");
 		return err;
 	}
+
+	adapter->hw.hw_addr = adapter->io_addr;
 	smp_mb__before_atomic();
 	clear_bit(__IXGBEVF_DISABLED, &adapter->state);
 	pci_set_master(pdev);
@@ -4285,6 +4287,7 @@ static pci_ers_result_t ixgbevf_io_slot_reset(struct pci_dev *pdev)
 		return PCI_ERS_RESULT_DISCONNECT;
 	}
 
+	adapter->hw.hw_addr = adapter->io_addr;
 	smp_mb__before_atomic();
 	clear_bit(__IXGBEVF_DISABLED, &adapter->state);
 	pci_set_master(pdev);