hns: remove useless void cast

There is no need to cast away return value of dev_close.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
index a8db27e..78cb20c 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c
@@ -595,7 +595,7 @@ static void hns_nic_self_test(struct net_device *ndev,
                set_bit(NIC_STATE_TESTING, &priv->state);
 
                if (if_running)
-                       (void)dev_close(ndev);
+                       dev_close(ndev);
 
                for (i = 0; i < SELF_TEST_TPYE_NUM; i++) {
                        if (!st_param[i][1])