netdev - [PATCH net-next 11/12] ethernet: smc91x: use eth_hw_addr

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Message-Id: <20211018142932.1000613-12-kuba@kernel.org>
Date:   Mon, 18 Oct 2021 07:29:31 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
        nico@...xnic.net
Subject: [PATCH net-next 11/12] ethernet: smc91x: use eth_hw_addr_set()

Commit 406f42fa0d3c ("net-next: When a bond have a massive amount
of VLANs...") introduced a rbtree for faster Ethernet address look
up. To maintain netdev->dev_addr in this tree we need to make all
the writes to it got through appropriate helpers.

Read the address into an array on the stack, then call
eth_hw_addr_set().

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
CC: nico@...xnic.net
---
 drivers/net/ethernet/smsc/smc911x.c | 4 +++-
 drivers/net/ethernet/smsc/smc91x.c  | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c
index b008b4e8a2a5..89381f796985 100644
--- a/drivers/net/ethernet/smsc/smc911x.c
+++ b/drivers/net/ethernet/smsc/smc911x.c
@@ -1788,6 +1788,7 @@ static int smc911x_probe(struct net_device *dev)
 	struct dma_slave_config	config;
 	dma_cap_mask_t mask;
 #endif
+	u8 addr[ETH_ALEN];
 
 	DBG(SMC_DEBUG_FUNC, dev, "--> %s\n", __func__);
 
@@ -1892,7 +1893,8 @@ static int smc911x_probe(struct net_device *dev)
 	spin_lock_init(&lp->lock);
 
 	/* Get the MAC address */
-	SMC_GET_MAC_ADDR(lp, dev->dev_addr);
+	SMC_GET_MAC_ADDR(lp, addr);
+	eth_hw_addr_set(dev, addr);
 
 	/* now, reset the chip, and put it into a known state */
 	smc911x_reset(dev);
diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c
index 813ea941b91a..a31c159e96ea 100644
--- a/drivers/net/ethernet/smsc/smc91x.c
+++ b/drivers/net/ethernet/smsc/smc91x.c
@@ -1851,6 +1851,7 @@ static int smc_probe(struct net_device *dev, void __iomem *ioaddr,
 	int retval;
 	unsigned int val, revision_register;
 	const char *version_string;
+	u8 addr[ETH_ALEN];
 
 	DBG(2, dev, "%s: %s\n", CARDNAME, __func__);
 
@@ -1922,7 +1923,8 @@ static int smc_probe(struct net_device *dev, void __iomem *ioaddr,
 
 	/* Get the MAC address */
 	SMC_SELECT_BANK(lp, 1);
-	SMC_GET_MAC_ADDR(lp, dev->dev_addr);
+	SMC_GET_MAC_ADDR(lp, addr);
+	eth_hw_addr_set(dev, addr);
 
 	/* now, reset the chip, and put it into a known state */
 	smc_reset(dev);
-- 
2.31.1