There are some functions that, when they fail to send the command,
need to return the corresponding error value to its caller.

Fixes: 46a3df9f ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Fixes: 681ec399 ("net: hns3: fix for vlan table lost problem when resetting")
Signed-off-by: NHuazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>