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

[Jacky Chou]

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 at aspeedtech.com>
---
 drivers/net/phy/phy.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 63b3e46f10..9991d86037 100644
--- 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;
-- 
2.34.1