[PATCH net-next 2/2] net: hns: set-coalesce-usecs returns errno by dsaf.ko

From: Yisen Zhuang <redacted>
Date: Mon, 28 Mar 2016 18:40:57 +0800

From: Lisheng <redacted>

It may fail to set coalesce usecs to HW, and Ethtool needs to know if it
is successful to cfg the parameter or not. So it needs return the errno by
dsaf.ko.

Signed-off-by: Lisheng <redacted>
Signed-off-by: Yisen Zhuang <redacted>

Applied.