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net: phy: xgmiitorgmii: Check read_status results

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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>
This commit is contained in:
Brandon Maier 2018-06-26 12:50:50 -05:00 committed by David S. Miller
parent cf31ea71c0
commit 8d0752d113
1 changed files with 4 additions and 1 deletions
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5
drivers/net/phy/xilinx_gmii2rgmii.c
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@ -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;