提交 6538ee62 编写于 作者: A Akeem G. Abodunrin 提交者: Jeff Kirsher

igb: Alternate MAC Address EEPROM Updates

This code check word 0x37 in the EEPROM, if it is 0xFFFF _or_ 0x0000, then
there is no Alternate MAC Address in the EEPROM.
Signed-off-by: N"Akeem G. Abodunrin" <akeem.g.abodunrin@intel.com>
Tested-by: NAaron Brown  <aaron.f.brown@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>
上级 76d06521
......@@ -198,10 +198,10 @@ s32 igb_check_alt_mac_addr(struct e1000_hw *hw)
goto out;
}
if (nvm_alt_mac_addr_offset == 0xFFFF) {
if ((nvm_alt_mac_addr_offset == 0xFFFF) ||
(nvm_alt_mac_addr_offset == 0x0000))
/* There is no Alternate MAC Address */
goto out;
}
if (hw->bus.func == E1000_FUNC_1)
nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN1;
......
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