Commit e0f06bba authored Aug 31, 2016 by Mark D Rustad Committed by Jeff Kirsher Oct 09, 2017

ixgbe: Return error when getting PHY address if PHY access is not supported



In cases where PHY register access is not supported, don't mislead
a caller into thinking that it is supported by returning a PHY
address. Instead, return -EOPNOTSUPP when PHY access is not
supported.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

parent a9e2971b

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -8529,6 +8529,10 @@ static int ixgbe_ioctl(struct net_device netdev, struct ifreq req, int cmd)
		return ixgbe_ptp_set_ts_config(adapter, req);
		case SIOCGHWTSTAMP:
		return ixgbe_ptp_get_ts_config(adapter, req);
		case SIOCGMIIPHY:
		if (!adapter->hw.phy.ops.read_reg)
		return -EOPNOTSUPP;
		/* fall through */
		default:
		return mdio_mii_ioctl(&adapter->hw.phy.mdio, if_mii(req), cmd);
		}