net: phy: xgmiitorgmii: Check read_status results

We're ignoring the result of the attached phy device's read_status().
Return it so we can detect errors.

Signed-off-by: Brandon Maier <brandon.maier@rockwellcollins.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c
index d6f8b64cddbe43ed58d9133b452df523ca16ac5e..74a8782313cf5b0319a7f3bad936926c4f4481da 100644 (file)
--- a/drivers/net/phy/xilinx_gmii2rgmii.c
+++ b/drivers/net/phy/xilinx_gmii2rgmii.c
@@ -42,8 +42,11 @@ static int xgmiitorgmii_read_status(struct phy_device *phydev)
        struct mii_bus *bus = priv->mdio->bus;
        int addr = priv->mdio->addr;
        u16 val = 0;
+       int err;
 
-       priv->phy_drv->read_status(phydev);
+       err = priv->phy_drv->read_status(phydev);
+       if (err < 0)
+               return err;
 
        val = mdiobus_read(bus, addr, XILINX_GMII2RGMII_REG);
        val &= ~XILINX_GMII2RGMII_SPEED_MASK;