[PATCH] ethernet: atl1e: checking the status of atl1e_write_phy_reg

From: Kangjie Lu
Date: Tue Dec 25 2018 - 23:24:01 EST


atl1e_write_phy_reg() could fail. The fix issues an error message when
it fails.

Signed-off-by: Kangjie Lu <kjlu@xxxxxxx>
---
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 9dc6da039a6d..3164aad29bcf 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
@@ -473,7 +473,9 @@ 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,
--
2.17.2 (Apple Git-113)