[PATCH] net: ravb: Fix NULL pointer access

[Marek Vasut]

On 9/15/20 4:10 PM, Biju Das wrote:
[...]
> +++ b/drivers/net/ravb.c
> @@ -438,7 +438,8 @@ static int ravb_config(struct udevice *dev)
>  
>  	writel(mask, eth->iobase + RAVB_REG_ECMR);
>  
> -	phy->drv->writeext(phy, -1, 0x02, 0x08, (0x0f << 5) | 0x19);
> +	if (phy->drv->writeext)
> +		phy->drv->writeext(phy, -1, 0x02, 0x08, (0x0f << 5) | 0x19);

Shouldn't we rather move this into the PHY driver altogether ?
I _think_ this might be specific to some Micrel PHY.