ethtool: stats: Fix a copy-paste error

data->ctrl_stats should be memset with correct size.

Fixes: bfad2b97 ("ethtool: add interface to read standard MAC Ctrl stats")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ethtool/stats.c

@@ -119,7 +119,7 @@ static int stats_prepare_data(const struct ethnl_req_info *req_base,
 	 */
 	memset(&data->phy_stats, 0xff, sizeof(data->phy_stats));
 	memset(&data->mac_stats, 0xff, sizeof(data->mac_stats));
-	memset(&data->ctrl_stats, 0xff, sizeof(data->mac_stats));
+	memset(&data->ctrl_stats, 0xff, sizeof(data->ctrl_stats));
 	memset(&data->rmon_stats, 0xff, sizeof(data->rmon_stats));
 
 	if (test_bit(ETHTOOL_STATS_ETH_PHY, req_info->stat_mask) &&