From 57b2d68786a843a70bb410a9f38f6671c485d38b Mon Sep 17 00:00:00 2001 From: Kangjie Lu Date: Tue, 25 Dec 2018 22:23:19 -0600 Subject: [PATCH] atl1e: checking the status of atl1e_write_phy_reg [ Upstream commit ff07d48d7bc0974d4f96a85a4df14564fb09f1ef ] atl1e_write_phy_reg() could fail. The fix issues an error message when it fails. Signed-off-by: Kangjie Lu Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- 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 974713b19ab6..5e1f03590aaf 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