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Subject[PATCH] gianfar: Use random MAC address when none is given
Date
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
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