Thread (9 messages) read the whole thread 9 messages, 3 authors, 2021-10-20
STALE1744d

[PATCH net-next 5/6] ethernet: via-rhine: use eth_hw_addr_set()

From: Jakub Kicinski <kuba@kernel.org>
Date: 2021-10-19 15:00:30
Subsystem: networking drivers, the rest, via rhine network driver · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Kevin Brace

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@kernel.org>
---
CC: kevinbrace@bracecomputerlab.com
---
 drivers/net/ethernet/via/via-rhine.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
index 3b73a9c55a5a..509c5e9b29df 100644
--- a/drivers/net/ethernet/via/via-rhine.c
+++ b/drivers/net/ethernet/via/via-rhine.c
@@ -899,6 +899,7 @@ static int rhine_init_one_common(struct device *hwdev, u32 quirks,
 	struct net_device *dev;
 	struct rhine_private *rp;
 	int i, rc, phy_id;
+	u8 addr[ETH_ALEN];
 	const char *name;
 
 	/* this should always be supported */
@@ -933,7 +934,8 @@ static int rhine_init_one_common(struct device *hwdev, u32 quirks,
 	rhine_hw_init(dev, pioaddr);
 
 	for (i = 0; i < 6; i++)
-		dev->dev_addr[i] = ioread8(ioaddr + StationAddr + i);
+		addr[i] = ioread8(ioaddr + StationAddr + i);
+	eth_hw_addr_set(dev, addr);
 
 	if (!is_valid_ether_addr(dev->dev_addr)) {
 		/* Report it and use a random ethernet address instead */
-- 
2.31.1
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