igb: Don't look for a PBA in the iNVM when flashless

When a part is flashless, do not look for a PBA in the iNVM.

Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index df33c4b8fa81..78f49cf94e82 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -2367,7 +2367,14 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                           "Width x1" : "unknown"), netdev->dev_addr);
         }
 
-        ret_val = igb_read_part_string(hw, part_str, E1000_PBANUM_LENGTH);
+        if ((hw->mac.type >= e1000_i210 ||
+             igb_get_flash_presence_i210(hw))) {
+                ret_val = igb_read_part_string(hw, part_str,
+                                               E1000_PBANUM_LENGTH);
+        } else {
+                ret_val = -E1000_ERR_INVM_VALUE_NOT_FOUND;
+        }
+
         if (ret_val)
                 strcpy(part_str, "Unknown");
         dev_info(&pdev->dev, "%s: PBA No: %s\n", netdev->name, part_str);