Re: [PATCH] net: systemport: Use eth_hw_addr_random

From: Florian Fainelli
Date: Thu Jul 09 2015 - 17:33:09 EST


On 07/07/15 22:19, Vaishali Thakkar wrote:
> Use eth_hw_addr_random() instead of calling random_ether_addr().
> Here, this change is setting addr_assign_type to NET_ADDR_RANDOM.
>
> The Coccinelle semantic patch that performs this transformation
> is as follows:
>
> @@
> identifier a,b;
> @@
>
> -random_ether_addr(a->b);
> +eth_hw_addr_random(a);
>
> Signed-off-by: Vaishali Thakkar <vthakkar1994@xxxxxxxxx>

Tested-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>

> ---
> Note that this patch is compile tested only and I have used file
> drivers/net/ethernet/hisilicon/hix5hd2_gmac.c as a reference.
> Also, original call didn't make assignment to NET_ADDR_RANDOM. So,
> it would be good if someone can test this change.
> ---
> drivers/net/ethernet/broadcom/bcmsysport.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
> index 909ad7a..4566cdf 100644
> --- a/drivers/net/ethernet/broadcom/bcmsysport.c
> +++ b/drivers/net/ethernet/broadcom/bcmsysport.c
> @@ -1793,7 +1793,7 @@ static int bcm_sysport_probe(struct platform_device *pdev)
> macaddr = of_get_mac_address(dn);
> if (!macaddr || !is_valid_ether_addr(macaddr)) {
> dev_warn(&pdev->dev, "using random Ethernet MAC\n");
> - random_ether_addr(dev->dev_addr);
> + eth_hw_addr_random(dev);
> } else {
> ether_addr_copy(dev->dev_addr, macaddr);
> }
>


--
Florian
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