From: Wei Yongjun weiyongjun1@huawei.com
[ Upstream commit 20e76d3d044d936998617f8acd7e77bebd9ca703 ]
In case of error, the function mdiobus_get_phy() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test.
Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Wei Yongjun weiyongjun1@huawei.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/xscale/ixp4xx_eth.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c index cb89323855d8..1ecceeb9700d 100644 --- a/drivers/net/ethernet/xscale/ixp4xx_eth.c +++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c @@ -1531,8 +1531,8 @@ static int ixp4xx_eth_probe(struct platform_device *pdev) phydev = of_phy_get_and_connect(ndev, np, ixp4xx_adjust_link); } else { phydev = mdiobus_get_phy(mdio_bus, plat->phy); - if (IS_ERR(phydev)) { - err = PTR_ERR(phydev); + if (!phydev) { + err = -ENODEV; dev_err(dev, "could not connect phydev (%d)\n", err); goto err_free_mem; }