From: Kangjie Lu <kjlu@xxxxxxx>
[ Upstream commit ff07d48d7bc0974d4f96a85a4df14564fb09f1ef ]
atl1e_write_phy_reg() could fail. The fix issues an error message when
it fails.
Signed-off-by: Kangjie Lu <kjlu@xxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/ethernet/atheros/atl1e/atl1e_main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
index 974713b19ab64..5e1f03590aaf2 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
@@ -478,7 +478,9 @@ static void atl1e_mdio_write(struct net_device *netdev, int phy_id,
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
- atl1e_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val);
+ if (atl1e_write_phy_reg(&adapter->hw,
+ reg_num & MDIO_REG_ADDR_MASK, val))
+ netdev_err(netdev, "write phy register failed\n");
}
static int atl1e_mii_ioctl(struct net_device *netdev,
--
2.20.1
