[Linux-stm32] [PATCH net-next v2 07/12] net: stmmac: Add ethtool register dump for XGMAC cores

[Jakub Kicinski]

On Mon, 12 Aug 2019 11:44:06 +0200, Jose Abreu wrote:
>  static void stmmac_ethtool_gregs(struct net_device *dev,
>  			  struct ethtool_regs *regs, void *space)
>  {
> -	u32 *reg_space = (u32 *) space;
> -
>  	struct stmmac_priv *priv = netdev_priv(dev);
> +	int size = stmmac_ethtool_get_regs_len(dev);
> +	u32 *reg_space = (u32 *) space;
>  
> -	memset(reg_space, 0x0, REG_SPACE_SIZE);
> +	memset(reg_space, 0x0, size);

no need to zero regs, ethtool core zallocs them