netdev - [PATCH net-next 1/4] r8169: simplify rtl_set_mac

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Date:   Tue, 20 Mar 2018 07:45:33 +0100
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     Realtek linux nic maintainers <nic_swsd@...ltek.com>,
        David Miller <davem@...emloft.net>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH net-next 1/4] r8169: simplify rtl_set_mac_address

Replace open-coded functionality with eth_mac_addr().

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
 drivers/net/ethernet/realtek/r8169.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 7055db16..d4d2bb0c 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -4616,12 +4616,11 @@ static int rtl_set_mac_address(struct net_device *dev, void *p)
 {
 	struct rtl8169_private *tp = netdev_priv(dev);
 	struct device *d = &tp->pci_dev->dev;
-	struct sockaddr *addr = p;
-
-	if (!is_valid_ether_addr(addr->sa_data))
-		return -EADDRNOTAVAIL;
+	int ret;
 
-	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+	ret = eth_mac_addr(dev, p);
+	if (ret)
+		return ret;
 
 	pm_runtime_get_noresume(d);
 
-- 
2.16.2