fixed_phy_register() returns -EPROBE_DEFER, -EINVAL and -EBUSY,
etc, in addition to -ENODEV. The Best practice is to return these
error codes with PTR_ERR().
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Acked-by: Doug Berger <opendmb@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
                phydev = fixed_phy_register(PHY_POLL, &fphy_status, NULL);
                if (!phydev || IS_ERR(phydev)) {
                        dev_err(kdev, "failed to register fixed PHY device\n");
-                       return -ENODEV;
+                       return PTR_ERR(phydev);
                }
 
                /* Make sure we initialize MoCA PHYs with a link down */