Now mdiobus_scan() returns ERR_PTR(-ENODEV) instead of NULL if the PHY device ID was read as all ones. As this was not an error before, this value should be filtered out now in this driver.
Fixes: b74766a0a0fe ("phylib: don't return NULL from get_phy_device()") Signed-off-by: Sergei Shtylyov <sergei.shtyl...@cogentembedded.com> --- The patch is against DaveM's 'net-next.git' repo. drivers/net/ethernet/cadence/macb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) Index: net-next/drivers/net/ethernet/cadence/macb.c =================================================================== --- net-next.orig/drivers/net/ethernet/cadence/macb.c +++ net-next/drivers/net/ethernet/cadence/macb.c @@ -458,7 +458,8 @@ static int macb_mii_init(struct macb *bp struct phy_device *phydev; phydev = mdiobus_scan(bp->mii_bus, i); - if (IS_ERR(phydev)) { + if (IS_ERR(phydev) && + PTR_ERR(phydev) != -ENODEV) { err = PTR_ERR(phydev); break; }