In case of error, the function of_phy_connect() returns NULL
pointer not ERR_PTR(). The IS_ERR() test in the return value
check should be replaced with NULL test.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
        phydev = of_phy_connect(dev, phy_dn, &pasemi_adjust_link, 0,
                                PHY_INTERFACE_MODE_SGMII);
 
-       if (IS_ERR(phydev)) {
+       if (!phydev) {
                printk(KERN_ERR "%s: Could not attach to phy\n", dev->name);
-               return PTR_ERR(phydev);
+               return -ENODEV;
        }
 
        mac->phydev = phydev;