igb: fix error code in igb_add_ethtool_nfc_entry()

Use error "rmgr: Cannot insert RX class rule: Operation not supported" is
more meaningful than "rmgr: Cannot insert RX class rule: Unknown error 524"

Signed-off-by: Gangfeng Huang <gangfeng.huang@ni.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index ef5408b8e083..0c33eca7c832 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -2851,7 +2851,7 @@ static int igb_add_ethtool_nfc_entry(struct igb_adapter *adapter,
         int err = 0;
 
         if (!(netdev->hw_features & NETIF_F_NTUPLE))
-                return -ENOTSUPP;
+                return -EOPNOTSUPP;
 
         /* Don't allow programming if the action is a queue greater than
          * the number of online Rx queues.