[net-next 14/21] ixgbevf: restore hw_addr on resume or error

[Jeff Kirsher]

From: Emil Tantilov <emil.s.tanti...@intel.com>

Restore adapter->hw.hw_addr after handling an error, or a resume
operation to make sure we can access the registers.

Signed-off-by: Emil Tantilov <emil.s.tanti...@intel.com>
Tested-by: Andrew Bowers <andrewx.bow...@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirs...@intel.com>
---
 drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c 
b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 7dfd1df..544307c 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/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);
-- 
2.9.3