Merge branch 'hns-fixes'

Merge branch 'hns-fixes'

Yisen Zhuang says:

====================
net: hns: fix some bugs in HNS driver

Here are some bug fixed patches for HNS driver.

They are:

>from Kejian, fix for the warning of passing zero to 'PTR_ERR'

>from qianqian, four fixes for inappropriate operation in hns driver

>from Sheng, one fix for optimization of irq proccess in hns driver, and
one fix for hilink status for hns driver.

For more details, please see individual patches.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>