net: phy: the NC-SI phy device do not require mdio bus

As with fixed-link phy device, the NC-SI phy devive does not
require an mdio bus. So, a condition is added to check the
NC-SI phy id to avoid accessing the bus pointer that is NULL.

Signed-off-by: Jacky Chou <jacky_chou@aspeedtech.com>

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index f39ca942f6b315a266d632c1cb94d32715c645af..9cec04a0c94191668c298da668abe73cdca1603c 100644 (file)
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -566,7 +566,8 @@ struct phy_device *phy_device_create(struct mii_dev *bus, int addr,
                return NULL;
        }
 
-       if (addr >= 0 && addr < PHY_MAX_ADDR && phy_id != PHY_FIXED_ID)
+       if (addr >= 0 && addr < PHY_MAX_ADDR && phy_id != PHY_FIXED_ID &&
+           phy_id != PHY_NCSI_ID)
                bus->phymap[addr] = dev;
 
        return dev;