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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Bhadram Varka <vbhadram@nvidia.com>,
        "David S. Miller" <davem@davemloft.net>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.14 004/107] stmmac: copy unicast mac address to MAC registers
Date:   Mon,  1 Apr 2019 19:01:19 +0200
Message-Id: <20190401170045.694697570@linuxfoundation.org>
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4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit a830405ee452ddc4101c3c9334e6fedd42c6b357 ]

Currently stmmac driver not copying the valid ethernet
MAC address to MAC registers. This patch takes care
of updating the MAC register with MAC address.

Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c |   16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3787,6 +3787,20 @@ static int stmmac_ioctl(struct net_devic
 	return ret;
 }
 
+static int stmmac_set_mac_address(struct net_device *ndev, void *addr)
+{
+	struct stmmac_priv *priv = netdev_priv(ndev);
+	int ret = 0;
+
+	ret = eth_mac_addr(ndev, addr);
+	if (ret)
+		return ret;
+
+	priv->hw->mac->set_umac_addr(priv->hw, ndev->dev_addr, 0);
+
+	return ret;
+}
+
 #ifdef CONFIG_DEBUG_FS
 static struct dentry *stmmac_fs_dir;
 
@@ -4014,7 +4028,7 @@ static const struct net_device_ops stmma
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	.ndo_poll_controller = stmmac_poll_controller,
 #endif
-	.ndo_set_mac_address = eth_mac_addr,
+	.ndo_set_mac_address = stmmac_set_mac_address,
 };
 
 /**