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* [PATCH] gianfar: Use random MAC address when none is given
@ 2020-07-14 12:01 Maxim Kochetkov
  2020-07-14 21:17 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Maxim Kochetkov @ 2020-07-14 12:01 UTC (permalink / raw)
  Cc: Maxim Kochetkov, Claudiu Manoil, David S. Miller, Jakub Kicinski,
	netdev, linux-kernel

If there is no valid MAC address in the device tree,
use a random MAC address.

Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
---
 drivers/net/ethernet/freescale/gianfar.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index b3c69e9038ea..b513b8c5c3b5 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -779,8 +779,12 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev)
 
 	mac_addr = of_get_mac_address(np);
 
-	if (!IS_ERR(mac_addr))
+	if (!IS_ERR(mac_addr)) {
 		ether_addr_copy(dev->dev_addr, mac_addr);
+	} else {
+		eth_hw_addr_random(dev);
+		dev_info(&ofdev->dev, "Using random MAC address: %pM\n", dev->dev_addr);
+	}
 
 	if (model && !strcasecmp(model, "TSEC"))
 		priv->device_flags |= FSL_GIANFAR_DEV_HAS_GIGABIT |
-- 
2.27.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] gianfar: Use random MAC address when none is given
  2020-07-14 12:01 [PATCH] gianfar: Use random MAC address when none is given Maxim Kochetkov
@ 2020-07-14 21:17 ` David Miller
  0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2020-07-14 21:17 UTC (permalink / raw)
  To: fido_max; +Cc: claudiu.manoil, kuba, netdev, linux-kernel

From: Maxim Kochetkov <fido_max@inbox.ru>
Date: Tue, 14 Jul 2020 15:01:04 +0300

> If there is no valid MAC address in the device tree,
> use a random MAC address.
> 
> Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>

Looks good, patch applied, thanks.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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